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

Muscles make up nearly 40% of the human body and power every move we make, from a child's first steps to recovery after ...

People who exercise frequently need to ensure they're getting enough protein in their diet. These 10 foods can help—and are ...

Here's how muscle growth, or hypertrophy, works and four ways to optimize hypertrophy including nutrition and resistance ...

There's a specific formula.

Body recomp means building muscle and losing fat at the same time. Learn how to optimize your training and diet to see ...

You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or ...

Having different chronotypes, or being more active in the morning vs. afternoon, may play an important role in preserving muscle mass and strength, and metabolic health, according to a new study.

“They increase the quality of the muscle you build as opposed to just the size of the actual muscle.” ...

Experts say the secret to feeling strong in the long term is to focus less on the size of a muscle and more on what it can ...

Want to put on muscle? Who wouldn’t: It keeps you strong enough to do the things you love now, and it’s a great investment for later, since muscle improves bone mineral density and mobility as you age ...

You don’t start from zero after taking time off. Here’s why your body bounces back. Ever taken a long break from the gym, whether because of an injury, burnout, or just life, and found that your body ...