For decades, lifters were told there was a "magic" rep range for hypertrophy — traditionally 8–12 reps. While this range is indeed effective, modern research has shown that muscle growth can occur ...

Stop obsessing over whether you did 8 or 12 reps; a groundbreaking new study proves that your level of effort matters far ...

Plus, the best exercises to get you started.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." There are more effective ways to build muscle and more efficient methods to go about it. Specifically, an ...

Changing your rep range and your workout intensity can help you build more muscle, says an exercise scientist with decades of ...

The push-up (or press-up, or push-up, take your pick) is the do-everything, no-kit exercise for the upper body – and maybe one of the best overall exercises you can do, period. Every body is different ...

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 ...

Yes, you can build muscle while burning fat – science and real-world evidence both say so, but it’s less than optimal.

If the focus on heavy doesn't suit you, try this approach instead.

Training for big numbers is about more than just ego. Here's what you need to know.