Here, five workout mistakes that are holding you back from serious muscle growth—and some simple ways to get right back on ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." I’ve struggled with a series of sports-related injuries over the past decade as a runner. I never knew ...

Loss of muscle mass is also a significant challenge for athletes, as many sports encourage them to keep body weight low while ...

Building muscle depends on several factors and isn't something that'll happen overnight after just one workout.

It finally happened. You went back to the gym after debating it for months, and your first workout felt good. The sweat and endorphins were flowing. But the following morning, you woke up aching in ...

Scientists discover that muscles repair themselves by moving thousands of internal nuclei, a rapid process that is key after ...

Before Anna Cockrell became a professional track and field athlete, she didn't always cool down or stretch after exercising. Between night classes and early morning practice in college, she didn't ...

Throughout my life, I always associated working out with losing weight. Because I’d never had a weight problem or been a heavy person, I wasn’t very active until my 50s, when I gained weight due to ...

MIND. THANKS, DALENCIA. WELL, IT IS TIME FOR 11 FITNESS CHARLES HARRIS AND CHARLIE JOINING US THIS MORNING GETTING CHISELED. YEAH. HAPPY SATURDAY, HAPPY SATURDAY. SO YOU JUST ASKED ME A QUESTION AND I ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." With potential benefits ranging from stronger bones and mobile joints to improved mood and cardiovascular ...

MIT scientists find that motor neuron growth increased significantly over 5 days in response to biochemical (left) and mechanical (right) signals related to exercise. The green ball represents cluster ...

What you need to know. The day after finally returning to the gym you may “feel like you’re dying.” Achy, burning muscles can be a sign that you are getting stronger. But taken to an extreme, that ...