You can't 'tone' muscle, so here's what is really happening when you build muscle definition, and why you need to know about ...

Building muscle has serious perks.

Add Yahoo as a preferred source to see more of our stories on Google. Ever skip the gym for a few days… and suddenly realize it's been three weeks? Whether it was work, travel, injury, or life just ...

Bigger muscles have long been associated with strength, confidence and vitality. Visually, they create a powerful silhouette that signals athleticism and capability, which is one reason muscle ...

If you're procrastinating working out, here's one less excuse. Short gym sessions can be enough to build meaningful strength ...

If you've given WH's protein challenge a go, you know how important this macro is to your health and fitness goals and a strong training sesh. But does it matter when, exactly, you get some protein in ...

What's a typical rate of muscle gain? Every body responds a little differently to strength training, so the short answer is “it depends." One review of research on how resistance training impacts ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When it comes to weightlifting, people hit the gym for a plethora of reasons. Maybe you want to improve ...