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

No equipment needed ...

Popular actress Jessica Biel is back in the spotlight, this time, though, for her workout routine. Prizing the Norwegian 4×4 ...

Lack of time is often the main reason people don't exercise regularly. But a type of interval workout recently popularized by ...

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.

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 (HIIT) may be the optimal exercise for reducing body fat while maintaining muscle mass in ...

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 ...

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 ...

When it comes to getting enough exercise, everyone searches for something that speaks to them. Some people love the quiet solitude of jogging alone while others prefer the competitive element of team ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." RUNNERS CAN EASILY fall into a basic routine for their workouts: Lace up, hit the pavement, then cruise ...

New research is underway to test whether a combination of high-intensity interval training and generic medicines can slow ...