HIIT, which stands for 'high intensity interval training', is designed to push a person's physical capacity to the limit. (Getty Images) An increasing number of fitness fanatics are swearing by the ...

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.

Those mid-class sprint intervals are tough. But experts break down whether they really get you ready for race day.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Want an exercise program that helps you work out smarter, not harder? You've found it. The Women's ...

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 ...

Burn fat, increase your strength and power up your cardio fitness fast, with this high-intensity interval training workout Efficiency is the name of the game when it comes to high-intensity interval ...

Discover how HIIT workouts can torch fat, boost fitness, and save time! Get the ultimate guide, sample routines, and tips to transform your fitness game. Do you feel like it’s time to change up your ...

As the temperature drops, low-impact cardio workouts can be the way to get your steps in and heart rate up from the comfort ...