High-intensity interval training, or HIIT, is a great way to torch calories, boost your metabolism and get a great workout in a shorter amount of time. And if you're a fan of hopping on the treadmill ...

No equipment needed ...

A recent study from Australia suggests that high intensity interval training may be optimal for body composition in older adults, by helping to lose fat while preserving muscle.

Exercise is known to benefit heart health. High-intensity interval training (HIIT) that combines aerobic exercise with ...

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 ...

For many people aiming to burn a lot of calories, high-intensity interval training is the way to go. Also known as HIIT, these popular workouts feature bursts of intense activity, such as squats or ...

If you are reeling with stagnation in your weight loss journey, you may have to choose the exercise that offers real results, ...

Presented by Athleta, this HIIT workout is basically a guaranteed confidence boost. Celebrity trainer Amanda Butler leads you through two different rounds of full-body interval training, helping you ...

High-intensity interval training, or HIIT, is a great way to get in a fast, effective workout. This quick routine is helpful ...

Health-conscious mid-lifers and 20-somethings may have ditched boozy late nights for oat lattes and excessive quantities of ...

We're definitely fans of exercise snacking, but sometimes nothing but a long, sweaty workout will do — and if that's what you're craving, this 45-minute high-intensity interval training workout with ...

Every so often, a new type of workout seemingly takes the fitness world by storm. The latest in this long line of buzzy fitness fads: the Norwegian 4x4 workout, a high-intensity interval training ...