"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." THE PUSHUP IS the do-everything, no-gear exercise for the upper body—and maybe one of the best overall ...

Losing muscle over time is natural—but with the right diet and habits, you can slow the process and stay strong, mobile, and ...

The stats are pretty alarming: muscle mass declines 3-8% per decade after age 30, and the rate of loss accelerates even more after age 60. The good news? It's never too late to start moving, and ...