Health / Fitness
6 Things You Never Knew About Muscles—But Totally Should
By Hallie Levine
When we think about muscles, our minds quickly go to abs, quads, biceps, and triceps—but of course we have hundreds more. "Muscles make up roughly 30 percent of a woman's body mass," says Naresh C. Rao, DO, a sports medicine physician in New York City. The more muscle you have, the more calories you burn. And some good news: Despite what you may have heard, it's not inevitable that your muscles will wither as you age. There are simple ways to outsmart the clock and keep your metabolism cranked. Check out the three must-do workout moves, the nutrients you need to grow muscle tissue, and more tips that will help you get stronger all over.
1 of 8
http://www.health.com/fitness/muscles-strength
