"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, the scientific term for the enlargement of muscle fibers, may not hold the top spot on the list of training priorities for some runners. Many of us (sometimes begrudgingly) cross-train to ...

This 6-minute chair routine builds leg muscle faster than squats after 60, per certified trainer Jarrod Nobbe, CSCS.

The leg press is one of the most popular machines in the gym, primarily used to train the thighs and glutes. But how much ...

It alternates heavy lifting with high-volume training to drive results from both angles ...

"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 ...

"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 ...

If your goal is to build lower body mass, as tempting as it might be to cram every variation of squats, lunges and deadlifts into one session, it might not be optimal. Neither is swerving leg training ...

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 ...