{"publication_id":"32110f91-0ef4-4117-9031-000af0bdab66","traces":[{"claim_id":"claim_1","claim":"This paper synthesizes evidence on aerobic exercise training effects across 39 accepted source papers and 1715 high-confidence extracted claims. The evidence profile contains 13 direct clinical sources, 26 adjacent, review, or context sources, and no sources classified primarily as mechanistic or model-system evidence, with a high-density pairwise disagreement map across the evidence base. Positive study-level signals are summarized in the cardiometabolic, contextual adjacent evidence and muscle function outcome classes, null signals in the contextual adjacent evidence, cardiometabolic and muscle function outcome classes, and negative signals in the cardiometabolic outcome class. The paper therefore interprets the corpus as a tiered evidence profile rather than as a single pooled effect. The conclusion is that aerobic exercise training effects remains a bounded evidence case: the retained direct, adjacent, and context evidence profile defines the scope for targeted testing, while mixed and null findings limit any unqualified broad clinical claim. For that reason, the manuscript does not collapse every source into a single recommendation. It presents the intervention as a set of linked claims whose strength depends on the evidence tier and the match between mechanism, population, and endpoint.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_2","claim":"This paper synthesizes evidence on aerobic exercise training effects across 39 accepted source papers and 1715 high-confidence extracted claims.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_3","claim":"The evidence profile contains 13 direct clinical sources, 26 adjacent, review, or context sources, and no sources classified primarily as mechanistic or model-system evidence, with a high-density pairwise disagreement map across the evidence base.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_4","claim":"Positive study-level signals are summarized in the cardiometabolic, contextual adjacent evidence and muscle function outcome classes, null signals in the contextual adjacent evidence, cardiometabolic and muscle function outcome classes, and negative signals in the cardiometabolic outcome class. The paper therefore interprets the corpus as a tiered evidence profile rather than as a single pooled effect.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_5","claim":"The conclusion is that aerobic exercise training effects remains a bounded evidence case: the retained direct, adjacent, and context evidence profile defines the scope for targeted testing, while mixed and null findings limit any unqualified broad clinical claim.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_6","claim":"For that reason, the manuscript does not collapse every source into a single recommendation. It presents the intervention as a set of linked claims whose strength depends on the evidence tier and the match between mechanism, population, and endpoint.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_7","claim":"This synthesis evaluates evidence on aerobic exercise training effects across 39 included source papers and 1715 high-confidence extracted claims. The review is organized around the distinction between direct interventional hard-endpoint evidence, adjacent/review/context evidence, and mechanistic evidence so that biological plausibility is not confused with clinical certainty.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_8","claim":"The corpus contains 13 direct clinical sources, 26 adjacent, review, or context sources, and no sources classified primarily as mechanistic or model-system evidence. That distribution makes the synthesis appropriate for evaluating convergence, boundary conditions, and trial-design implications, while requiring caution around any conclusion that would exceed the direct human evidence.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_9","claim":"The introductory frame therefore treats the corpus as a set of evidence roles rather than a single directional verdict. Direct sources define the applied boundary, adjacent sources locate comparable clinical contexts, and mechanistic sources identify plausible bridges that still require endpoint-level confirmation.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_10","claim":"This distinction matters for publication because it makes the paper falsifiable. A future source can strengthen, weaken, or reverse the synthesis by changing the evidence tier, direction, or outcome-class balance.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_11","claim":"The mechanistic layer is most useful when it explains why a trial signal might appear or fail to appear. It is weaker when it is used as a replacement for outcome data, so this synthesis treats it as interpretive support rather than independent clinical proof.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_12","claim":"Null findings have a specific role in this evidence model. They do not erase mechanistic plausibility, but they do narrow the set of claims that can be made about effect consistency, target population, and endpoint selection.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_13","claim":"Adverse or negative signals are likewise retained in the main interpretation. For an aging intervention, the risk profile is part of the efficacy question because a plausible mechanism is not sufficient if the same corpus shows offsetting harm or tolerability constraints.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_14","claim":"The evidence base also distinguishes breadth from certainty. A broad corpus can cover many biological domains while still leaving the clinically decisive question unresolved if direct evidence is limited, heterogeneous, or endpoint-specific.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_15","claim":"The research value of the synthesis lies in making these boundaries explicit. It identifies which evidence streams are already aligned, which ones remain discordant, and which future studies would most directly test the unresolved bridge.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_16","claim":"The background evidence for aerobic exercise training effects is heterogeneous rather than uniformly confirmatory. Direct clinical sources such as MoralesPalomo 2023, Kleinloog 2022, Sloan 2018 are interpreted separately from mechanistic studies such as the retained evidence base, because these evidence roles answer different questions about aging biology and clinical translation.","citation_support":[{"source_id":"source_2","study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","support_kind":"cited_as_match","cited_as":"Kleinloog 2022","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"direct","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3."},{"source_id":"source_27","study":"Aerobic Exercise Training and Inducible Inflammation: Results of a Randomized Controlled Trial in Healthy, Young Adults","doi":"10.1161/JAHA.118.010201","url":"https://doi.org/10.1161/JAHA.118.010201","support_kind":"cited_as_match","cited_as":"Sloan 2018","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"direct","excerpt":"Background Consensus panels regularly recommend aerobic exercise for its health-promoting properties, due in part to presumed anti-inflammatory effects, but many studies show no such effect, possibly related to study differences in participants, interventions, inflammatory markers, and statistical approaches. This variability makes an unequivocal determination of the anti-inflammatory effects of aerobic training elusive. Methods and Results We conducted a randomized controlled trial of 12 weeks of aerobic exercise training or a wait list control condition followed by 4 weeks of sedentary deconditioning on lipopolysaccharide (0, 0.1, and 1.0 ng/mL)-inducible tumor necrosis factor-α (TNF-α) and interleukin-6 (IL-6), and on toll-like receptor 4 in 119 healthy, sedentary young adults. Aerobic capacity by cardiopulmonary exercise testing was measured at study entry (T1) and after training (T2) and deconditioning (T3). Despite a 15% increase in maximal oxygen consumption, there were no changes in inflammatory markers. Additional analyses revealed a differential longitudinal aerobic exercise training effect by lipopolysaccharide level in inducible TNF -α ( P=0.08) and IL-6 ( P=0."}],"candidate_sources":[]},{"claim_id":"claim_17","claim":"The direct evidence establishes what has been observed in human or adjacent clinical settings. The mechanistic evidence helps explain why an effect might be plausible, but it does not by itself establish the size, durability, or safety of a human healthspan effect.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_18","claim":"Across the retained sources, positive signals cluster around the cardiometabolic, contextual adjacent evidence and muscle function outcome classes; null signals around the contextual adjacent evidence, cardiometabolic and muscle function outcome classes; and negative or adverse signals around the cardiometabolic outcome class. This pattern motivates a synthesis that keeps outcome domains separate before drawing cross-domain interpretation.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_19","claim":"The study-level structure also prevents selective emphasis. Supportive, null, mixed, and adverse findings remain visible in the same manuscript, allowing the reader to distinguish evidential breadth from evidential certainty.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_20","claim":"The resulting paper is therefore a calibrated synthesis: it can identify plausible mechanisms, observed direct signals when present, unresolved tensions, and trial-design priorities without converting them into claims stronger than the retained corpus can support.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_21","claim":"The following fields were extracted from each included source: study design, population / cohort, intervention or exposure, comparator, outcome class, effect direction, effect size, confidence interval or credible interval, p-value, sample size, follow-up duration, risk-of-bias rating. Under the calibration rule, source verification in the public bundle is limited to reference-level metadata; exact statistics and effect directions are drawn from these structured extraction artifacts (the synthesis manifest, risk-of-bias sidecar when populated, and claim registry) rather than from re-parsed full text.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_22","claim":"Risk-of-bias framework assignment follows study design (RoB-2 for RCTs, ROBINS-I for non-randomised studies, AMSTAR-2 for systematic reviews / meta-analyses). Public appraisal claims are limited to populated `risk_of_bias.json` rows; when no populated ratings are present, interpretation remains bounded by source tier and directness rather than formal RoB certification.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_23","claim":"Evidence-tension synthesis: claims grouped by outcome class (cardiometabolic, contextual adjacent evidence, deficiency prevalence, immune and inflammation, muscle function, safety and comorbidity); within-class agreement, disagreement, and directness gaps surfaced explicitly. Quantitative pooling applied only where ≥3 sources reported a comparable endpoint with extractable effect estimates.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_24","claim":"Source retrieval, claim extraction, evidence routing, and prose drafting were assisted by large language models under a deterministic audit-trail protocol. Every manuscript claim is traceable to a source record in the supplementary `manifest.json`. Final eligibility and interpretation decisions are author-verified.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_25","claim":"Directional coding note: Null or no extracted directional signal means no coded positive, negative, or mixed effect was extracted for that specific outcome class; it is not an absence-of-support finding. Positive, negative, mixed, unclear, and null are outcome-specific codes, so a bounded rationale can be supported by adjacent or different outcome evidence while another outcome remains null or unclear. Contextual claims contain bibliographic background, mechanism, methods, exposure definitions, or population context rather than effect-direction evidence. When an outcome-class summary uses no extracted directional signal, it should state the source proportion, such as X/Y sources, to avoid ambiguity. Majority-direction note: 19/39 retained sources are coded unclear at the receipt level. Unless the extraction records a positive, negative, mixed, or null polarity for the mapped outcome, the manuscript states that direction cannot be determined for that source and narrows the conclusion instead of treating source count as directional support. Directional-map boundary: Because 19/39 retained sources are predominantly unclear-coded at receipt level, the corpus does not support a standalone per-class directional map; source-level p-values and polarity are reported as audit facts rather than efficacy directions unless extraction records polarity.","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_26","claim":"Findings Map accounting note: each outcome-class n, direction count, directness count, and source roster is computed from the same source-level rows listed in the detailed table. Receipt-level direction is not a statement that the source abstracts lack directional statistics; it is the conservative coded polarity used for synthesis accounting. Outcome-class roster: Cardiometabolic n=15 (direction: negative=1; null=4; positive=3; unclear=7; directness: direct=3; indirect=4; protocol=1; review=7; sources: Alzahrani 2023; Burchert 2022; Ding 2025; Gelinas 2017; Han 2016; Healy 2024; Konopka 2019; Li 2024; MoralesPalomo 2023; Prior 2014; Rajabi 2024; Silva 2023; Swift 2012; Tanaka 2018; Wyngaert 2018); Contextual Adjacent Evidence n=13 (direction: negative=2; null=4; positive=1; unclear=6; directness: direct=5; indirect=5; review=3; sources: Bakali 2023; Davis 2017; Ehlers 2025; Gaitan 2021; Hansen 2021; Hugenschmidt 2019; Kleinloog 2022; Kobayashi 2021; Morita 2019; Pawar 2025; Raichlen 2020; Wood 2023; Zhou 2026); Muscle Function n=5 (direction: null=3; positive=1; unclear=1; directness: direct=3; indirect=2; sources: Alkhateeb 2020; Jannas-Vela 2023; Liu-Ambrose 2010; Lo 2021; Santos 2024); Immune and Inflammation n=3 (direction: mixed=1; null=1; unclear=1; directness: direct=1; indirect=1; review=1; sources: Emmel 2025; Ghojazadeh 2024; Sloan 2018); Safety and Comorbidity n=2 (direction: null=2; directness: direct=1; indirect=1; sources: Jespersen 2023; Oliveira 2018); Deficiency Prevalence n=1 (direction: unclear=1; directness: review=1; sources: ZURE 2025).","citation_support":[{"source_id":"source_25","study":"Role of specialized pro-resolving mediators on inflammation, cardiometabolic health, disease progression, and quality of life after omega-3 PUFA supplementation and aerobic exercise training in individuals with rheumatoid arthritis: a randomized 16-week, placebo-controlled interventional trial *","doi":"10.12688/f1000research.138392.1","url":"https://doi.org/10.12688/f1000research.138392.1","support_kind":"cited_as_match","cited_as":"Jannas-Vela 2023","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"indirect","excerpt":"Background: Rheumatoid arthritis (RA) is a chronic inflammatory disease characterized by autoantibody production and synovial membrane damage. It significantly impairs overall function and quality of life. Consumption of omega-3 (n-3) polyunsaturated fatty acids (PUFAs) and regular aerobic exercise (AEx) training are reported to have positive effects on the progression of RA. However, the mechanisms behind these benefits are still inconclusive. This study protocol will investigate the effects of n-3 PUFA supplementation and AEx training on disease progression, cardiometabolic health, and quality of life, and their association with the plasma and synovial fluid levels of specialized pro-resolving mediators (SPMs) in subjects with RA. Methods: The study consists of a 16-week intervention period, during which participants will be randomly assigned in a double-blinded manner to one of four groups: placebo control (PLA), PLA+AEx, n-3, or n-3+AEx. The PLA groups will be given a gelatin-filled capsule, while the n-3 groups will be given n-3 PUFAs equivalent to 2.5 g/d of docosahexaenoic acid and 0.5 g/d of eicosapentaenoic acid."},{"source_id":"source_28","study":"Metformin inhibits mitochondrial adaptations to aerobic exercise training in older adults","doi":"10.1111/acel.12880","url":"https://doi.org/10.1111/acel.12880","support_kind":"cited_as_match","cited_as":"Konopka 2019","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"indirect","excerpt":"Metformin and exercise independently improve insulin sensitivity and decrease the risk of diabetes. Metformin was also recently proposed as a potential therapy to slow aging. However, recent evidence indicates that adding metformin to exercise antagonizes the exercise-induced improvement in insulin sensitivity and cardiorespiratory fitness. The purpose of this study was to test the hypothesis that metformin diminishes the improvement in insulin sensitivity and cardiorespiratory fitness after aerobic exercise training (AET) by inhibiting skeletal muscle mitochondrial respiration and protein synthesis in older adults (62 ± 1 years). In a double-blinded fashion, participants were randomized to placebo (n = 26) or metformin (n = 27) treatment during 12 weeks of AET. Independent of treatment, AET decreased fat mass, HbA1c, fasting plasma insulin, 24-hr ambulant mean glucose, and glycemic variability. However, metformin attenuated the increase in whole-body insulin sensitivity and VO 2 max after AET. In the metformin group, there was no overall change in whole-body insulin sensitivity after AET due to positive and negative responders."}],"candidate_sources":[]},{"claim_id":"claim_27","claim":"| Evidence domain | Source | Direction | Directness | Tier | Evidence role | Finding |","citation_support":[],"candidate_sources":[{"study":"Efficacy of morning versus afternoon aerobic exercise training on reducing metabolic syndrome components: A randomized controlled trial","year":2023,"doi":"10.1113/JP285366","url":"https://doi.org/10.1113/JP285366","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"MoralesPalomo 2023","excerpt":"A supervised intense aerobic exercise program improves the health of individuals with metabolic syndrome (MetS). However, it is unclear whether the timing of training within the 24 h day would influence those health benefits. The present study aimed to determine the influence of morning vs. afternoon exercise on body composition, cardiometabolic health and components of MetS. One hundred thirty-nine individuals with MetS were block randomized into morning (AMEX; n = 42) or afternoon (PMEX; n = 59) exercise training groups, or a non-training control group (Control; n = 38). Exercise training was comprised of 48 supervised high-intensity interval sessions distributed over 16 weeks. Body composition, cardiorespiratory fitness (assessed by V ̇ O 2 max ${\\dot V_{{{\\mathrm{O}}_{\\mathrm{2}}}{\\mathrm{max}}}}$ ), maximal fat oxidation (FO max ), blood pressure and blood metabolites were assessed before and after the intervention. Compared with the non-training Control, both exercise groups improved similarly body composition (-0.7% fat loss; P = 0.002), waist circumference (-2.1 cm; P < 0.001), diastolic blood pressure (-3.8 mmHg; P = 0.","source_id":"source_1","support_kind":"candidate_source_row"},{"study":"Aerobic exercise training improves not only brachial artery flow‐mediated vasodilatation but also carotid artery reactivity: A randomized controlled, cross‐over trial in older men","year":2022,"doi":"10.14814/phy2.15395","url":"https://doi.org/10.14814/phy2.15395","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"direct","cited_as":"Kleinloog 2022","excerpt":"It is well-known that aerobic exercise training beneficially affects endothelial function as measured by brachial artery flow-mediated vasodilation (FMD). This trial with older sedentary overweight and obese men, therefore, examined the effects of aerobic training on other non-invasive markers of the vasculature, which have been studied in less detail. Seventeen men (67 ± 2 years, BMI: 30.3 ± 2.8 kg/m 2 ) participated in this controlled cross-over study. Study participants followed in random order a fully supervised, progressive, aerobic exercise training (three 50-min sessions each week at 70% maximal power) and a no-exercise control period for 8 weeks, separated by a 12-week wash-out period. At the end of each period, endothelial function was assessed by the carotid artery reactivity (CAR) response to a cold pressor test and FMD, and local carotid and regional aortic stiffness by the carotid-to-femoral pulse wave velocity (PWV c-f ). The retinal microvasculature, the serum lipid profile, 24-h ambulatory blood pressure, and 96-h continuous glucose concentrations were also determined. Aerobic training increased CAR from 1.78% to 4.01% (Δ2.23 percentage point [pp]; 95% CI: 0.58, 3.","source_id":"source_2","support_kind":"candidate_source_row"},{"study":"Effects of Aerobic Exercise Training in Hypoxia Versus Normoxia on Body Composition and Metabolic Health in Overweight and/or Obese Populations: an Updated Meta-Analysis","year":2025,"doi":"10.1186/s40798-025-00918-6","url":"https://doi.org/10.1186/s40798-025-00918-6","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Ding 2025","excerpt":"BACKGROUND: While aerobic training is well-established for improving body composition and metabolic health in normoxia, its effectiveness in hypoxia remains unclear. OBJECTIVE: This meta-analysis examines whether aerobic training in hypoxia is more effective than in normoxia for improving body composition and metabolic health in overweight and/or obese individuals, and identifies optimal exercise prescription variables. METHODS: A search of five databases was conducted through 10 November 2024. Random-effects meta-analyses evaluated body composition (e.g., body mass and fat mass) and metabolic health markers (e.g., triglycerides and glucose). Subgroup analyses were performed based on hypoxic severity, hypoxic dose, exercise duration, frequency, session length, and age. RESULTS: Aerobic training in hypoxia resulted in greater reductions in body mass (mean difference [MD] = -0.90, 95% confidence interval [CI]: -1.80 to -0.01), triglycerides (MD = -10.78, 95% CI: -20.68 to -0.88), low-density lipoprotein cholesterol (MD = -3.74, 95% CI: -6.92 to -0.56, p < 0.05), and insulin resistance (MD = -0.22, 95% CI: -0.33 to -0.11) (all p < 0.","source_id":"source_3","support_kind":"candidate_source_row"},{"study":"The effect of 12 weeks of aerobic exercise training with or without saffron supplementation on diabetes‐specific markers and inflammation in women with type 2 diabetes: A randomized double‐blind placebo‐controlled trial","year":2024,"doi":"10.1002/ejsc.12125","url":"https://doi.org/10.1002/ejsc.12125","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"review","cited_as":"Rajabi 2024","excerpt":"This study was conducted to investigate the effects of 12 weeks of aerobic exercise (AT) and saffron supplementation on hemostasis, inflammatory markers, and insulin resistance in obese women diagnosed with type 2 diabetes (T2D). A total of 44 women with T2D (mean age: 54.12 ± 5.63 years, mean BMI: 31.15 ± 1.50 kg/m 2 , HbA1c: 85 ± 4.2 mmol/mol) were included in a randomized, double-blind, placebo-controlled study. We were randomly assigned to one of four groups (n = 11 per group): saffron + training (ST), placebo + training (PT), saffron supplement (SS), and placebo (P). The ST and PT groups completed 12 weeks of AT (three sessions per week of mild to moderate intensity). The ST and SS groups were administered a daily dose of 200 mg of saffron powder for 12 weeks. Fasting blood samples were collected 48 h before the first AT session and/or nutritional supplementation and 48 h after the last AT session and/or nutritional supplementation. Post-evaluation, homeostatic model assessment of insulin resistance value (HOMA-IR, p < 0.001) and serum levels of glucose (p < 0.001), fibrinogen (FIB, p < 0.001), homocysteine (HCY, p < 0.001), interleukin-6 (IL-6, p < 0.","source_id":"source_4","support_kind":"candidate_source_row"},{"study":"Feasibility of an unsupervised aerobic exercise training program for participants with persistent symptoms after SARS-CoV-2 infection","year":2025,"doi":"10.1038/s41598-025-13905-4","url":"https://doi.org/10.1038/s41598-025-13905-4","population":"not extracted","intervention_or_exposure":"not extracted","comparator":"not extracted","endpoint":"not extracted","effect":"not extracted","risk_of_bias":"not appraised in public sidecar","directness":"indirect","cited_as":"Emmel 2025","excerpt":"Aim of the randomized controlled pilot study was to investigate general feasibility in terms of adherence to a 12-week unsupervised aerobic exercise training program in participants with persistent symptoms (fatigue, concentration problems, breathing problems or headache) > 12 months after SARS-CoV-2 infection. Multiple symptom-related, psychosocial, spiroergometric and body composition parameters were collected at baseline and follow-up examination. The intervention group underwent a 12-week unsupervised aerobic exercise training program. The control group kept their regular physical activity. Both groups maintained an online training diary. Data was evaluated descriptively using intention-to-treat, per protocol and as-treated analysis. Feasibility of an unsupervised aerobic exercise training intervention was limited, as a large number of participants in the intervention group did not strictly adhere to the training plan. Therefore, statements about the efficacy were restricted. However, there was some weak indication for efficacy of the intervention to reduce self-rated severity of symptoms and to improve overall wellbeing.","source_id":"source_5","support_kind":"candidate_source_row"}]},{"claim_id":"claim_28","claim":"| Cardiometabolic | Burchert 2022: Aerobic Exercise Training Response in Preterm-Born Young Adults with Elevated Blood Pressure and Stage 1 Hypertension: A Randomized Clinical Trial | direction=unclear | directness=direct | A1 | outcome=Cardiometabolic; direction=unclear | finding=representative non-significant statistic P = 0.32; not treated as positive or negative directional support unless source direction is coded |","citation_support":[{"source_id":"source_10","study":"Aerobic Exercise Training Response in Preterm-Born Young Adults with Elevated Blood Pressure and Stage 1 Hypertension: A Randomized Clinical Trial","doi":"10.1164/rccm.202205-0858OC","url":"https://doi.org/10.1164/rccm.202205-0858OC","support_kind":"cited_as_match","cited_as":"Burchert 2022","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"direct","excerpt":"Rationale: Premature birth is an independent predictor of long-term cardiovascular risk. Individuals affected are reported to have a lower rate of [Formula: see text]o 2 at peak exercise intensity ([Formula: see text]o 2PEAK ) and at the ventilatory anaerobic threshold ([Formula: see text]o 2VAT ), but little is known about their response to exercise training. Objectives: The primary objective was to determine whether the [Formula: see text]o 2PEAK response to exercise training differed between preterm-born and term-born individuals; the secondary objective was to quantify group differences in [Formula: see text]o 2VAT response. Methods: Fifty-two preterm-born and 151 term-born participants were randomly assigned (1:1) to 16 weeks of aerobic exercise training ( n = 102) or a control group ( n = 101). Cardiopulmonary exercise tests were conducted before and after the intervention to measure [Formula: see text]o 2PEAK and the [Formula: see text]o 2VAT . A prespecified subgroup analysis was conducted by fitting an interaction term for preterm and term birth histories and exercise group allocation."}],"candidate_sources":[]},{"claim_id":"claim_29","claim":"| Cardiometabolic | Gelinas 2017: Aerobic exercise training does not alter vascular structure and function in chronic obstructive pulmonary disease. | direction=null | directness=review | B1 | outcome=Cardiometabolic; direction=null | finding=2 extracted claim(s); receipt-level direction is the coded finding |","citation_support":[{"source_id":"source_38","study":"Aerobic exercise training does not alter vascular structure and function in chronic obstructive pulmonary disease.","doi":"10.1113/ep086379","url":"https://doi.org/10.1113/ep086379","support_kind":"cited_as_match","cited_as":"Gelinas 2017","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"review","excerpt":"What is the central question of this study? Chronic obstructive pulmonary disease (COPD) is associated with endothelial dysfunction, arterial stiffness and systemic inflammation, which are linked to increased cardiovascular disease risk. We asked whether periodized aerobic exercise training could improve vascular structure and function in patients with COPD. What is the main finding and its importance? Eight weeks of periodized aerobic training did not improve endothelial function, arterial stiffness or systemic inflammation in COPD, despite improvements in aerobic capacity, blood pressure and dyspnoea. Short-term training programmes may not be long enough to improve vascular-related cardiovascular risk in COPD. Chronic obstructive pulmonary disease (COPD) has been associated with endothelial dysfunction and arterial stiffening, which are predictive of future cardiovascular events. Although aerobic exercise improves vascular function in healthy individuals and those with chronic disease, it is unknown whether aerobic exercise can positively modify the vasculature in COPD."}],"candidate_sources":[]},{"claim_id":"claim_30","claim":"| Cardiometabolic | Li 2024: The effect of moderate and vigorous aerobic exercise training on the cognitive and walking ability among stroke patients during different periods: A systematic review and meta-analysis | direction=null | directness=review | B2 | outcome=Cardiometabolic; direction=null | finding=12 extracted claim(s); receipt-level direction is the coded finding |","citation_support":[{"source_id":"source_18","study":"The effect of moderate and vigorous aerobic exercise training on the cognitive and walking ability among stroke patients during different periods: A systematic review and meta-analysis","doi":"10.1371/journal.pone.0298339","url":"https://doi.org/10.1371/journal.pone.0298339","support_kind":"cited_as_match","cited_as":"Li 2024","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"review","excerpt":"OBJECTIVE: The study examined whether rehabilitation using aerobic exercise is more appropriate for patients less than 3 months post-stroke or more appropriate for patients more than 3 months post-stroke. METHOD: PubMed, Embase, Web of Science, Scopus and CNKI databases were searched from inception to September 2023. All studies included must be written in English and grey literature was excluded. The quality of the study was evaluated using the PEDro scale. Standard mean difference (SMD) and 95% confidence interval (CI) were calculated. The primary outcomes are cognitive ability and walking ability. The intervention of the experimental group must be or include high-intensity aerobic training or moderate-intensity aerobic training. In addition, we required low intensity routine exercises in control group. RESULT: Only 15 studies were included in this meta-analysis. The results showed that aerobic exercise has a positive rehabilitation effect on cognitive and walking ability of stroke patients. Global Cognitive Function (SMD = 0.81 95%CI 0.49-1.12), Walking Capacity (SMD = 1.19, 95%CI 0.75-1.62), VO2peak (SMD = 0.97, 95%CI 0.66-1.28), and brain-derived neurotrophic factor (SMD = 2."}],"candidate_sources":[]}]}