Everything you need to know about high-intensity interval training to help you hit the ground running in 2026—including a low-impact HIIT workout alternative.

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 ...

As high intensity interval training (or HIIT) has grown in popularity, Tabata workouts have also become a staple for many. Tabata workouts are popular because they can be performed with just your body ...

A new expert breakdown ranks the top workouts for sustainable fat loss — and the winning routine might surprise you.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." When I'm planning my fitness routine, my goal is not to spend as much time as possible sweating. It's ...

High-intensity interval training, also known as HIIT, is a great way to improve your overall cycling performance. Working through short bursts of intense efforts, followed by brief rest periods, can ...

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.

Skip joint-jarring HIIT. Try 6 daily low-impact routines that boost metabolism, protect joints, and support fat loss after 50 ...

A HIIT workout can be tricky to define because, at its core, it just means a string of exercises that gets your heart racing, providing a calorie-burning cardio boost to what would otherwise be a ...