"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Over the past four years, I’ve tested over 40 activewear brands—from gym staples to runner-friendly picks ...

How little is too little when it comes to clothes at the gym? That’s the question an Irish gym owner was debating during a recent radio appearance, and it’s fair to say, his remarks haven’t gone down ...

Though it seems counterintuitive, researchers have found that women with larger busts actually sweat less than those with less endowed chests. Historically, it was believed that the bigger the bust, ...

Confession: Despite my lengthy career as a fitness journalist and being well-versed in the health benefits of a strong core, I have not been consistent with training my abs for a while. (Hi, holidays ...

Not feeling like hitting the gym today? No problem! All you need is a yoga mat and 20 minutes to strengthen your core—no crunches required. Part of the Women's Health Ultimate Abs Challenge, this ...