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

If you're curious about how to build muscle without completely overdoing it, implementing "reps in reserve" (RIR) into your workouts could be a total game-changer. RIR is a training method that helps ...

Everything you’ve been taught about building muscle and getting stronger might be completely backwards. While you’ve been religiously counting reps and pushing through sets like a human calculator, a ...

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

The rep debate has been raging in gyms for decades. Should you lift heavy for fewer reps? Go lighter for higher reps? Can you even handle more reps and more weight? Researchers and gym bros alike have ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? My name is Cori Ritchey, and I am an exercise physiology nerd turned fitness ...

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