It might be more than you think.

To build muscle mass, you need around 0.5–0.9 grams of protein per pound of body weight per day. Here's why and other factors ...

Arnold Schwarzenegger has a message for anyone just going through the motions at the gym. The six-time Mr. Olympia is ...

Some of the best muscle-building foods include protein-rich chicken, salmon, and lentils. You can pair dietary changes with ...

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 ...

The answer may surprise you.

Building muscle after 50 is essential for feeling strong and healthy. While you’re perfecting your strength training routine and making sure to eat enough protein, you might wonder: How long does it ...

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

If you’ve ever worried that a rest day might erase your progress, take a deep breath — research shows the exact opposite. Recovery is where the real gains are made for your fitness. Strength training ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." If you tend to breeze through the "easy" part of an exercise—like lowering into a squat or letting your ...

Scientists have discovered how exercise protects aging muscles by suppressing DEAF1, a molecule they identified as a driver ...