For many people aiming to burn a lot of calories, high-intensity interval training is the way to go. Also known as HIIT, these popular workouts feature bursts of intense activity, such as squats or ...

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.

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Paul Hough does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...

A recent study from Australia suggests that high intensity interval training may be optimal for body composition in older adults, by helping to lose fat while preserving muscle.

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 ...

We're definitely fans of exercise snacking, but sometimes nothing but a long, sweaty workout will do — and if that's what you're craving, this 45-minute high-intensity interval training workout with ...

High-intensity interval training involves performing an all-out, exhaustive physical effort for a short time followed by a short (sometimes active) recovery. Its benefits are clear: Effective HIIT ...

Researchers delved into muscles to figure out why intensive bursts of exercise are as effective as long term workouts ...

If you are reeling with stagnation in your weight loss journey, you may have to choose the exercise that offers real results, ...

If you’ve noticed stubborn belly fat, lower energy, and workouts that suddenly feel harder during menopause, you’re not ...

People who’ve had a stroke might worry about pushing themselves hard at the gym. New research suggests high intensity interval training (HIIT) can do more to improve fitness than moderate-intensity ...