High-intensity interval training, HIIT for short, is one of the best kinds of sweat sessions if you're looking to get your heart rate up and work your muscles to their fullest capability in a short ...

As high intensity interval training (or HIIT) has grown in popularity, Tabata workouts have also become a staple for many. Tabata workouts are popular because they can be performed with just your body ...

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

Erin Oprea is a trainer, with a client roster that includes stars like Carrie Underwood and Kasey Musgraves, and her fitness M.O. is to make the most of her clients' time. "Being a Marine taught me ...

Tabata burns calories and forces you to really work. It's a form of high-intensity interval training — short bursts of activity performed at close to your max capacity followed by even shorter rest ...

Amy and Rhys take us through a 20-minute lower body workout with a tabata finisher. This workout consists of a squat to lunge, a plank to opposite toe touch, an around the world squat, a lateral lunge ...

The no-equipment workout you need to keep everything, er, moving includes rapid-fire reps of squats, plank jacks, knee drives, and skaters. The holidays might be the most wonderful time of the year, ...