assertion
Strong Support
The scientists concluded that doing 3-5 reps with heavy weights and 20-25 reps with light weights led to similar muscle growth.
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0
Evidence from Studies
Supporting (2)
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Community contributions welcome
28
Muscle hypertrophy and strength gains after resistance training with different volume matched loads: a systematic review and meta-analysis.
Systematic Review With Meta-Analysis
Human
2022 AprBy combining many studies, researchers proved that when you do the same total amount of work, lifting heavy or light builds muscle equally well.
25
Divergent Strength Gains but Similar Hypertrophy After Low-Load and High-Load Resistance Exercise Training in Trained Individuals: Many Roads Lead to Rome.
Randomized Controlled Trial
Human
2025 Sep 1Researchers split each person's legs - one leg did heavy weights with few reps, the other did light weights with many reps. After 9 weeks, both legs grew muscle equally.
Contradicting (0)
0
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No contradicting evidence found