Lifting lighter weights can build muscle just as well as heavy weights
Load‐controlled moderate and high‐intensity resistance training programs provoke similar strength gains in young women
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Women trained one leg with heavy weights and the other with lighter weights for 10 weeks. Both legs got stronger and bigger muscles about the same amount.
No biological mechanisms were identified in this study. This may be an epidemiological, observational, or survey-based study that reports associations rather than proposing causal biological pathways.
Systematic Reviews & Meta-Analyses
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Max 58Cross-Sectional Studies
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Evidence Score
Participants are randomly assigned to treatment or control groups, minimizing bias. Considered the gold standard for testing whether an intervention causes an effect.
Not medical advice. For informational purposes only. Always consult a healthcare professional. Terms
Women trained one leg with heavy weights and the other with lighter weights for 10 weeks. Both legs got stronger and bigger muscles about the same amount.
No biological mechanisms were identified in this study. This may be an epidemiological, observational, or survey-based study that reports associations rather than proposing causal biological pathways.
Systematic Reviews & Meta-Analyses
Max 100Randomized Controlled Trials
Max 90Cohort Studies
Max 72Case-Control Studies
Max 58Cross-Sectional Studies
Max 44Case Reports & Case Series
Max 30Expert Opinion & Narrative Reviews
Max 525 / 90
Evidence Score
Participants are randomly assigned to treatment or control groups, minimizing bias. Considered the gold standard for testing whether an intervention causes an effect.
Publication
Authors
Alegre LM, Aguado X, Rojas-Martín D, Martín-García M, Ara I, Csapo R
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Claims (5)
For young women, lifting lighter weights can be just as good as lifting heavier ones for building muscle and getting stronger, as long as you do the same total amount of work.
For young women lifting weights, how much total work you do might matter more for building muscle and strength than how heavy the weights are, because studies show similar results when the total effort is the same but intensity differs.
For young women, doing lighter weightlifting for 10 weeks can build leg muscle just as well as heavier lifting, with muscle growth between 3% and 12%.
For young women, doing resistance training with lighter weights for 10 weeks can build leg strength just as well as training with heavier weights, with strength gains around 10-16%.
The total amount of work your muscles do when lifting weights — how hard and how long you push — decides how strong the muscle-building signals get turned on.