Finish the Women's Health+ Ultimate HIIT Challenge strong with this 20-minute upper body bodyweight workout. Today's program uses fast-paced lateral exercises to strengthen and your arms ...

Want an exercise program that helps you work out smarter, not harder? You've found it. The Women's Health+ Ultimate HIIT Challenge is a week-long program that combines high intensity interval ...

Discover how Dance HIIT workouts combine fun choreography with high-intensity intervals to maximize calorie burn, boost ...

Today we're going to do a High-Intensity Interval Training workout, or HIIT, H-I-I-T. What we'll do is 20 seconds of an exercise, pushing as hard as you can, then taking 10 seconds' rest.

Start getting stronger and sweat smarter with this fast-paced lower body bodyweight workout, which is part of the Women’s Health+ Ultimate HIIT Challenge. In just 20 minutes, you'll burn a ton ...

We've put together the best cardio HIIT workouts from running to bodyweight conditioning to strength training to build muscle and burn fat. To give you some diversity, we've pooled together a list ...