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

HIIT workouts, or high-intensity interval training, are one of the best ways to exercise at home — no extra equipment necessary.

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

Credit: Shutterstock If you’ve ever done a high-intensity interval training (HIIT) workout, you know it’s no joke. Sprints, ...

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 ...

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

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

High-intensity interval training (a.k.a., HIIT) is a triple threat: “It’s quick, easy, and effective,” says Angela Gargano, a certified trainer and creator of Strong Feels Good & Pull-up Revolution.

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 ...

Participation in once-popular HIIT workouts is flagging. But experts say it’s still one of the best types of exercise you can ...

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

Many high achievers push too hard, leading to burnout. Dr. Vassily Eliopoulos explains that excessive stress from intense ...