Torch your muffin top with 9 expert-backed HIIT moves that burn fat, boost metabolism, and sculpt your waist in 15 minutes.

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

This month we will be alternating between HIIT walks and a simple HIIT routine that uses just your bodyweight to get your heart rate up. On days when we’re doing walking workouts, you have three ...

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

The Norwegian 4x4 method involves high-intensity exercise for four minutes followed by three minutes of active recovery, ...

We all grow older. There is nothing we can do about that, but the quality of those years is within our control, as recent ...

When you picture the typical high-intensity interval training (HIIT) workout, a handful of go-to exercises likely come to mind: burpees, squats, lunges, mountain climbers, jumping rope, and sprints on ...

For the past decade, high-intensity interval training has been among the top 10 fitness trends every year, according to the American College of Sports Medicine. During a HIIT workout, you pair short ...

You can reap the many health benefits of HIIT by exercising for a shorter — yet more intense — period of time.

High-intensity interval training (otherwise known as HIIT) may sound, well, intense. And it can be. But it can also be highly beneficial, including for women over 50. The training modality has other ...

New research from Edith Cowan University shows that a single bout of weight training or HIIT can boost anti-cancer myokines and reduce breast cancer cell growth in survivors.