Body composition outcomes distinguish resistance training from aerobic exercise most clearly: aerobic work tends to reduce total mass, while resistance training preserves or increases lean mass during that process.
A large analysis of aerobic and resistance training in overweight and obese adults compared modality effects on body mass and fat mass, and studies examining combined exercise interventions report greater increases in lean weight and greater reductions in resting blood pressure than exercise alone.
The clinical significance is that lean mass preservation determines resting metabolic rate, functional capacity, and — as the disease and mortality literature shows — prognosis across a range of conditions. Weight alone is a poor proxy for any of these.
22FitRx does not provide nutrition guidance. Studies listed here that examine dietary variables are included for completeness of the evidence record; dietary decisions belong with the member's own physician or registered dietitian.
Examined combined exercise and dietary interventions in overweight adults against body composition and blood pressure endpoints, reporting reductions in fat mass and blood pressure while lean weight was maintained. Cited as reference material only — 22FitRx does not provide nutrition guidance.
Compared exercise-only against combined exercise and dietary intervention on lean weight and resting blood pressure outcomes. Included for completeness of the evidence record; dietary decisions belong with the member's own physician.
A large randomized comparison of aerobic training, resistance training, and their combination in overweight and obese adults, separating effects on total body mass from effects on fat mass and lean mass.
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