Paper
Effects of resistance training with moderate vs heavy loads on muscle mass and strength in the elderly: A meta‐analysis
Published Sep 1, 2016 · R. Csapo, L. Alegre
Scandinavian Journal of Medicine & Science in Sports
185
Citations
10
Influential Citations
Abstract
The purpose of the present study was to perform a meta‐analysis to compare the efficacy of heavy (∼80% of one repetition maximum, 1RM) vs light‐moderate load (∼45% 1RM) resistance training (RT) programs in inducing strength gains and skeletal muscle hypertrophy in elderly people. To assess the role of training volumes, studies in which training protocols were matched for mechanical work were independently analyzed. In all 15 studies included (448 subjects, age 67.8 years), when comparing heavy with light‐moderate loads, strength gains tended to be larger following RT with higher intensities of load, with the resulting total population effect being μ = 0.430 (P = 0.060). Effect sizes were substantially smaller in “work‐matched” studies (μ = 0.297, P = 0.003). Training with higher loads also provoked marginally larger gains in muscle size, although the degree of training‐induced muscle hypertrophy was generally small (0.056 < μ < 0.136). To conclude, provided a sufficient number of repetitions is performed, RT at lower than traditionally recommended intensities of load may suffice to induce substantial gains in muscle strength in elderly cohorts.
Resistance training with lower loads can still induce substantial muscle strength gains in the elderly, provided a sufficient number of repetitions is performed.
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