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Appl Physiol Nutr Metab. 2012 Jun;37(3):551-4. doi: 10.1139/h2012-022. Epub 2012 Apr 26.

Bigger weights may not beget bigger muscles: evidence from acute muscle protein synthetic responses after resistance exercise.

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1
Department of Kinesiology, McMaster University, Hamilton, ON L8S 4K1, Canada. nick.burd@masstrichtuniversity.nl

Abstract

It is often recommended that heavier training intensities (∼70%-80% of maximal strength) be lifted to maximize muscle growth. However, we have reported that intensities as low as 30% of maximum strength, when lifted to volitional fatigue, are equally effective at stimulating muscle protein synthesis rates during resistance exercise recovery. This paper discusses the idea that high-intensity contractions are not the exclusive driver of resistance exercise-induced changes in muscle protein synthesis rates.

PMID:
22533517
DOI:
10.1139/h2012-022
[Indexed for MEDLINE]
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