"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 ...

Hypertrophy; you hear the term bandied about constantly on Instagram, and it's likely the reason you started lifting weights in the first place, but what does it actually mean? The scientific term for ...

Rest assured, the hype is real. Hypertrophy is, by definition, the enlargement of an organ or tissue from the increase in size of its cells. Not to be confused with hyperplasia, the process of ...

When it comes to working out, women often have a mix of goals that go far beyond just aesthetics or strength. It's about feeling good, taking care of your mental health, and yes, getting stronger, too ...

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 ...

"Lean muscle is kind of an oxymoron. All muscle is lean," says Brad Schoenfeld, Ph.D., C.S.C.S., and professor of exercise ...