Discover how Dance HIIT workouts combine fun choreography with high-intensity intervals to maximize calorie burn, boost ...

HIIT WORKOUTS DEMAND that you give your all. You might find that you have a hard time pushing to your limits on your own—so ...

Today we're going to do a High-Intensity Interval Training workout, or HIIT, H-I-I-T ... once or twice a week to change up your regular routine on some days. Now, this workout is so intense ...

That's why we tapped Gerren Liles, NASM, to lead the Ultimate HIIT program. He's purpose-driven to lead you to the best sweat of your life with these hard-hitting, 15-minute workouts. The HIIT ...

HIIT recovery periods can be active ... or reduce the duration of rest periods in subsequent workouts. Here’s a progression of the program above: ...

At 68, Orangetheory founder Ellen Latham has bounced back from two knee replacements and isn't slowing down, thanks to ...

But I also need to clear up this silly question about whether it’s “better than” HIIT (or high-intensity interval training). SIT is, in fact, a type of HIIT. Sprint interval training refers ...