"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 ...

A comprehensive guide to max out your gains and fill out your shirtsleeves, according to exercise experts.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When it comes to working out, women often have a mix of goals that go far beyond just aesthetics or ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Achieving strong, defined arms or legs is about more than just lifting weights. A ton goes into growing ...

You might have seen your favorite Instagram trainer mention hypertrophy on her strength training posts. Or maybe you heard the term in a fitness class or while ...

As the popularity of Pilates—and those oh-so-Instagram-able reformer classes—has increased over the past few years, so too has the hype surrounding the method’s benefits (Build long and lean lines!