Rockstar Equinox trainer and fitness model Julie Wandzilak shares an at-home workout that'll elevate your heart rate, boost your brain power, and burn calories. The holidays might be the most ...

Power through five compound exercises to strengthen your whole body in just 20 minutes with this dumbbell workout that’s ...

No time to hit the gym? No problem. A good workout doesn’t always have to take place surrounded by a ton of iron anyway (as you’ll soon discover). This 20 minute HIIT workout will not only smoke your ...

In TODAY.com's Expert Tip of the Day, a trainer explains how incorporating HIIT into a weekly workout routine can boost one's metabolism and help with weight loss.

Forget hours running on the treadmill or the elliptical machine at the gym — if you’re short on time and looking for a way to torch calories, you’re better off doing a quick HIIT workout. You don’t ...

When you hear the term HIIT (that’s high-intensity interval training), your mind might immediately jump to burpees, mountain climbers, and jump squats. That’s one definition of HIIT, sure—but on this ...

If you think 20 minutes isn’t enough time to get in a good workout—you’re wrong! Though 20 minutes might not seem like a big commitment, or even like it won’t lead to many benefits, it’s just enough ...

High intensity interval training (HIIT) can offer significant health benefits to people with weight loss goals by burning more calories, reducing body fat, and improving general well-being. HIIT can ...

That HIIT workout routine is upping your cortisol (stress) levels. The head of research at Les Mills wants you to keep it under 40 minutes per week. “Cortisol is not particularly a ‘bad’ hormone, it’s ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Want an exercise program that helps you work out smarter, not harder? You've found it. The Women's ...