Fact of the day

Friday, 28 August 2026

Women's Healthwell supported · human dataDiscovery of the day

A meta-analysis of 23 randomised trials found resistance training improved body composition most in postmenopausal, overweight or sedentary women, cutting fat and increasing fat-free mass, while premenopausal, lean and already-active women saw fewer measurable changes.

Study design
Meta-analysis
Journal
J Sports Med Phys Fitness
Evidence
well supported

What it shows: Good news with a boundary: results pooled from 23 trials show lifting shifts fat and lean mass most clearly in women who are postmenopausal, carrying extra weight or sedentary. The trials varied in their programmes and groups, so this maps who responds most, not exactly how much any individual will change.Meta-analysis · J Sports Med Phys Fitness

Comparison of the effect of resistance training on the body compositions of different women groups: a systematic review and meta-analysis of randomized controlled trials. J Sports Med Phys Fitness 2020Read the study →

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