You've likely heard all about the benefits of exercise for your heart, lungs and blood sugar. Basically, it does the whole body—and mind (thanks, endorphins!) good. However, you may have stopped using ...

HIIT workout founded by a Japanese Olympic coach that uses periods of intense exercise and rest to burn calories.

If you’re looking to add some kick to your workout and save time while doing it, it’s probably time to try a 15-minute HIIT workout. “HIIT, or high-intensity interval training, essentially means you ...

You can always rely on a high-intensity workout to leave you feeling sweaty and exhausted. But a longer workout isn't necessarily better. And a new approach that's gaining fans on social media only ...

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 ...

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