I replaced breakfast with a protein smoothie for 14 days. Here’s how it affected my body, energy, and health in this personal ...

BYU Professor David Thomson is working to understand a chemical pathway in human muscles that may explain the effects of exercise.

His evolution reflects a broader shift in the exercise industry away from a “no pain, no gain” mentality that once dominated ...

Think you're in peak shape? If you can do these three moves for 60 seconds each, your fitness level is truly elite. Take the ...

Ever wonder why some people seem to pack on muscle effortlessly while others spend months in the gym with little show for it?

Strength training isn’t just for bodybuilders or athletes—it’s an essential part of a well-rounded fitness routine for women ...

YOU’VE DONE WORKOUTS before—but never like this. Gerren Liles, NASM, is one of fitness’s most game-changing trainers, a ...

Former seven-time Mr. Olympia Arnold Schwarzenegger discussed why intentionally slow reps don't lead to more muscle growth.

To set yourself up for success, start by understanding your body composition. Know your body fat percentage, muscle mass and ...

Muscle building requires proteins, carbs, and healthy fats. Combined with a good strength-building routine, these foods will ...

For years, I avoided adding a medicine ball to my workouts. Frankly, I was intimidated by the large weighted ball, imagining ...

“When you lift weights, your body uses glycogen as fuel. Having a full supply of glycogen allows you to lift heavier weights ...