New research suggests the number of reps you do may matter far less than most people think.

When you lift a weight, how many times should you lift it? Supposedly, there’s a correct “rep range” to use to build strength, and a different rep range to build muscle size, or endurance, or to “tone ...

I’ve been hyperaware of overtraining ever since I suffered a pelvic stress fracture a decade ago. The injury came from excessive exercise and a lack of education around nutrition and recovery, but the ...