You've found it. The Women's Health+ Ultimate HIIT Challenge is a week-long program that combines high intensity interval training workouts, steady-state cardio sessions, and active recovery ...

Finish the Women's Health+ Ultimate HIIT Challenge strong with this 20-minute upper body bodyweight workout. Today's program uses fast-paced lateral exercises to strengthen and your arms ...

Today we're going to do a High-Intensity Interval Training workout, or HIIT, H-I-I-T. What we'll do is 20 seconds of an exercise, pushing as hard as you can, then taking 10 seconds' rest.

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 ...

Want to make the most of your HIIT workout? Here’s how to nail the perfect circuit, according to Strong Women ambassadors Emma Obayuvana and Caroline Bragg. Most of us are still working from ...

One of the most popular benefits of HIIT is the “after-burn effect.” This type of exercise stokes the metabolism, increasing calorie burn during the workout — and it stays elevated after the ...

Jumping out of bed and straight into a HIIT workout without food first could be a problem for performance and hormonal health. HIIT requires huge amounts of energy to get through powerful moves as ...