September 2013 Fitness Breakthroughs

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September 2013 Fitness Breakthroughs

Why what you eat matters less than what you play when it comes to getting lean, and other fitness news that can affect your life.
Lighter weights may be just as good for growing muscles as heavy weights, according to a study in the International Journal of Clinical Medicine. For six weeks, research subjects performed three 10-rep sets of the bench press using 75% of their one-rep max (1RM). Then, for another six weeks, they did four sets to failure using just 30%. The result? Subjects gained similar muscle with the heavy and light loads, indicating that size gains may depend more on taking sets to failure than on jacking up the weight.

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