Building muscle depends on several factors and isn't something that'll happen overnight after just one workout.

Many people start strength training because they want to build muscle. That’s a great goal – building muscle can help you look and feel great. It improves your metabolism, self-esteem, and overall ...

Picture this: You’ve finally committed to a strength training routine and you’re feeling strong. But now you’re deep in the numbers. Reps...sets...weight ...

Building muscle is a common goal, but it comes with a lot of questions, especially about nutrition. As a dietitian, I often hear people ask, “How much protein do I need to build muscle?” The interest ...

Why do you get sore muscles from exercise, and does being sore mean you did a good workout? Can you prevent or get rid of muscle soreness? Read on to find out. You’ve probably felt it: the day or two ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." YOU'VE PROBABLY HEARD big guys at the gym tossing around the word "hypertrophy" when they talk about ...

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 ...

Shannon Ritchey, PT, DPT, explains what body recomposition is and how long it takes to lose fat and gain muscle. She also ...

You’ve probably heard the phrase “muscle memory” thrown around at some point, but it might not mean what you think it does. In fact, many everyday exercisers misunderstand the concept of muscle memory ...

Those stiff, painful spots can take up to two weeks to go away on their own. Sophie Walster/iStock via Getty Images Plus Imagine you’ve just completed a tough upper-body workout. Your muscles feel a ...

This story is from Manual, GQ’s flagship newsletter offering useful advice on style, health, and more, four days a week. Sign up here to get it in your inbox. Whether you’ve been lifting for years or ...