When you don't have much time to spare but want to squeeze in a workout, a 10-minute HIIT session can rev up your metabolism and burn calories. High-intensity interval training (HIIT) involves ...

You’re not a bear, so don’t hibernate this winter and let your fitness fall off. Use these exercises to stay fit.

You've likely heard all about the benefits of exercise for your heart, lungs and blood sugar. Basically, it does the whole body—and mind (thanks, endorphins!) good. However, you may have stopped using ...

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 means you ...

This full-body routine fits into even the busiest schedule. Grab two dumbbells or a kettlebell, around five to 10 pounds for beginners. If you have a heavier weight, use that for the goblet squats.

While the past few years have seen the rise (and rise) of low-intensity workouts, like Pilates and yoga, grow in popularity, there’s still a very valid case for adding in some high-intensity interval ...

"Sometimes pressing play and just starting is the hardest part," says fitness instructor Tanner Courtad in this total-body workout video. "But what you'll always find out is that you build momentum, ...

As HIIT's popularity soars, sprint interval training, or SIT, is doing its best to catch up. Can shorter, harder, faster deliver better results? As the popularity of HIIT continues to soar, sprint ...