HIIT is an abbreviation for High-Intensity Interval Training and whether or not you are a total newbie to the workout format, it’s beginner-friendly and a highly efficient way to burn calories and ...

Side Lunges, High-Intensity Interval Training Outdoors. Time is a precious commodity these days, and carving out a couple of hours for a workout every day or even a few times a week isn't something ...

HIIT workouts, or high-intensity interval training, are one of the best ways to exercise at home — no extra equipment ...

Perfect for all fitness levels — this 20-minute HIIT workout combines power and endurance to sculpt your body fast!

If you are looking for a way to change up your routine, opt for these HIIT workouts that you can do at-home without equipment. Everyone from sports medicine docs, to fitness buffs to cardiologists are ...

We all grow older. There is nothing we can do about that, but the quality of those years is within our control, as recent ...

Get ready to work out with trainer Chelsey Cioli, who will be leading this 10-minute beginner HIIT workout while joined by class members Paris Nicole and Poofy Moffitino. In this routine, you'll start ...

If you don't have a ton of time to exercise and want to make the most of the few minutes you're able to squeeze in, HIIT workouts are for you. There are minimal rests during HIIT workouts, and even ...

HIIT workout founded by a Japanese Olympic coach that uses periods of intense exercise and rest to burn calories.

"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 ...

Like other HIIT workouts, the Norwegian 4x4 consists of brief spurts of high-intensity exercise interspersed with active ...