High-intensity interval training, or HIIT, is a great way to get in a fast, effective workout. This quick routine is helpful ...

Step your right leg out to the side, then the left, so that they are hip-width apart. Push your hips back and bend your knees ...

As HIIT's popularity soars, sprint interval training, or SIT, is doing its best to catch up. Can shorter, harder, faster deliver better results? As the popularity of HIIT continues to soar, sprint ...

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 ...

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.

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 ...

But a type of interval workout recently popularised by actress Jessica Biel could be the solution – with research showing it ...

This most recent episode of Good Moves features trainer Traci Copeland and her awesome, challenging, and quick total body HIIT workout. In this most recent episode of Good Moves with Pilates and ...

HIIT exercise isn't for everyone and there's some evidence that you can overdo it. Here's what the experts recommend ...

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 ...

Every so often, a new type of workout seemingly takes the fitness world by storm. The latest in this long line of buzzy fitness fads: the Norwegian 4x4 workout, a high-intensity interval training ...

Pre-workout nutrition, workout prep—whatever you call it—has changed, and what you consume in the hours before exercise ...