Tag: actin

hypertrophy

Understanding Hypertrophy: Why Do Muscles Get Bigger?

We know that muscle will grow when properly trained and when proper nutrients are supplied. But what biological system is responsible for this growth stimulus? Is it one or is it all of them? Is growth caused by the forces applied to the muscles through weight training , or on a more cerebral level, is resistance exercise merely a means by which we expose, through recruitment, as many muscle fibers as possible to some other stimulus responsible for growth?

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