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

It might be more than you think.

The answer may surprise you.

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

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

When it comes to building muscle—or any fitness routine, for that matter—most people assume that more is more. More sets, more reps, more time in the gym must mean more gains. Right? From there, ...

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 ...

Repeated exercise, or wasting, can change the way key genes work.

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 ...

Protein shakes are convenient, but they're highly processed and lack essential nutrients. Dietitians share 13 healthy, ...

Creatine causes temporary water weight gain but enhances muscle growth. It increases body water while boosting strength and ...