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

The hallmark of HIIT is repeated bouts of extremely hard work interspersed with periods of recovery. During your work intervals, you’ll be pushing yourself nearly to your max, Noam Tamir, CSCS, ...

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 ...

When it comes to getting enough exercise, everyone searches for something that speaks to them. Some people love the quiet solitude of jogging alone while others prefer the competitive element of team ...

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

Sheehan echoes similar sentiments. "The intensity is what matters, not the clock. A focused 10-minute HIIT workout can spike ...

Like other HIIT workouts, the Norwegian 4x4 consists of brief spurts of high-intensity exercise interspersed with active ...

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 ...

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

HIIT packs as much intense energy as possible into as little time as possible. And the method's producing mad results. A Metcon3 class at Equinox torches calories during class—and after thanks to High ...

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 ...