Eating too much ultraprocessed food could take a toll on muscle health, according to new research published Tuesday in the ...

Eating more ultra-processed food may increase hidden fat in muscles, even without weight gain, which could affect joint ...

Here’s why some muscle groups respond faster (or slower) to strength training—and what you can do about it.

A certified strength coach shares 5 chair exercises that restore leg muscle faster than squats for adults over 50.

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 ...

A serving of quality protein provides the amino acids that muscles need and supports muscle recovery. Clean protein also helps keep a person’s caloric intake manageable without added sugars, fillers, ...

Smart exercise choices and adequate nutrition will help preserve muscle and the metabolic benefits that come with it ...

If you’re trying to lose fat while gaining muscle, you’re working toward what fitness experts call body recomposition. While it isn’t an overnight process, the right combination of training, nutrition ...

Sitting, standing, and moving between the two seem almost involuntary, but your body's muscles are working hard to make these motions happen. Your skeleton has over 600 muscles attached, and many of ...

Sometimes, people experience random muscle twitches that interrupt their normal daily activities. This is usually not harmful, but can produce discomfort. These random muscle twitches, known as ...

A certified trainer reveals the exact pushup count that signals elite upper-body strength after 50—for both men and women.

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Not everybody has the ...