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.

High-intensity interval training, or HIIT, is a great way to torch calories, boost your metabolism and get a great workout in a shorter amount of time. And if you're a fan of hopping on the treadmill ...

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

Get ready for a full-body workout like no other! This kettlebell HIIT session sculpts every muscle group with fresh, ...

If you don't have a ton of time to exercise and want to make the most of the few minutes you're able to squeeze in, HIIT workouts are for you. There are minimal rests during HIIT workouts, and even ...

High-intensity interval training is an accessible workout program that can work for all types of people and can be done with or without equipment. The program can have weight loss and other health ...

Cardio exercises like swimming, HIIT, walking, cycling, jumping rope can strengthen your muscles, reduce body fat, and help ...

The best bodyweight exercises targeting the core include functional, full-core training exercises like the dead bug, bird dog ...

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

REHIT is also ideal for people who are experiencing a weight-loss plateau, Mansour says. If you do a lot of high-intensity workouts without much rest, you're likely taxing your body more than you need ...