"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Sometimes, you have to fail to succeed in the long run—and the same can be true in the weight room. Enter ...

Stop obsessing over whether you did 8 or 12 reps; a groundbreaking new study proves that your level of effort matters far ...

LONDON — No pain, no gain, as the old exercise adage goes. But just how much pain do you have to endure to benefit from weight training? That depends on what you’re trying to accomplish, fitness ...

Changing your rep range and your workout intensity can help you build more muscle, says an exercise scientist with decades of ...

Add Yahoo as a preferred source to see more of our stories on Google. Think you always need long, slow strength sessions to build strength and burn fat? Think again. New research suggests that ...

A comprehensive guide to max out your gains and fill out your shirtsleeves, according to exercise experts.

You don't need marathon sessions if you're training with intent ...

Sometimes, you have to fail to succeed in the long run—and the same can be true in the weight room. Enter: training to failure. This training method involves performing as many reps as possible with ...