This article was medically reviewed by Joey Thurman, CSCS, CPT, FNS, a Chicago-based fitness expert and creator of Fast Results program. HIIT workouts, or high-intensity interval training ...

These 20-minute HIIT workouts are the most efficient ways to train when you're low on time but want to burn fat and build muscle. The key is to leverage your work-to-rest ratio by amping up the ...

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.

Join us as we explore the many benefits of HIIT workouts and give you a few ideas for HIIT exercises you can try as you search for the best workout for your needs. A HIIT workout consists of a ...

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.

Tabata is a type of high-intensity interval training (HIIT). While the terms "Tabata" and "HIIT" are sometimes used interchangeably, it's worth noting that Tabata is just one type of HIIT workout.

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 ...