Do Number of Repetitions Really Matter?

February 24, 2011 at 5:05 pm | Posted in Uncategorized | Leave a comment

Hey guys, David again. In my last post I gave you some guidelines for weight training, including some info about the number of repetitions. While conventional wisdom says that lower reps are for size and strength and that higher reps are for definition and endurance, I found a study that could tell you more than I could!

Rusty Moore runs a great blog, Fitness Black Book, about fitness and health and he posted a 2008 study from the Journal of Exercise Science and Fitness about the number of repetitions while working out. This is good article that helps explain what the number of repetitions are actually doing in your muscles. It says that effort is responsible for muscle building, not number of reps, and differentiates between the two. Of course there are several study limitations but take a look and tell me what you think!


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