Another awesome workout in the books! Take the rest of the day to recover, and when you're ready to move on to Day 5 of the Women’s Health+ Ultimate HIIT Challenge, click below to access the ...

HIIT workouts, or high-intensity interval training, are an effective way to exercise at home. Instead of requiring equipment, HIIT workouts focus entirely on bodyweight exercises. This expert ...

A good rule of thumb: you should not be able to talk and work out simultaneously during a well-programmed HIIT workout. Here's an example of a basic HIIT rowing workout. Total time: 12 min.

High-intensity interval training (HIIT) has been documented in the history books since the early 1920s. But it wasn’t until 2014 that this high-intensity workout — which features short ...

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.

If you’re looking to add some kick to your workout and save time while doing it, it's probably time to try a 15-minute HIIT workout. “HIIT, or high-intensity interval training, essentially ...