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.

This article explores Barry's Bootcamp, the intense HIIT workout favored by supermodels and celebrities. It details the class format—a 50/50 split between treadmill interval cardio and floor strength ...

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

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

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

Welcome to Start TODAY. Sign up for our Start TODAY newsletter to receive daily inspiration sent to your inbox — and join us on Instagram! The American Heart Association recommends that adults get "at ...

Presented by Athleta, this HIIT workout is basically a guaranteed confidence boost. Celebrity trainer Amanda Butler leads you through two different rounds of full-body interval training, helping you ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." High-intensity interval training (otherwise known as HIIT) may sound, well, intense. And it can be. But ...

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

For most people, walking 10,000 steps a day is the ultimate fitness goal. However, is that the “golden” number when it comes ...

Women's Health may earn commission from the links on this page, but we only feature products we believe in. Why Trust Us? The best shoes for HIIT workouts have the “Goldilocks” effect—you want a ...