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 ...

In TODAY.com's Expert Tip of the Day, a trainer explains how incorporating HIIT into a weekly workout routine can boost one's metabolism and help with weight loss.

Let’s be honest: Weight loss is hard. This is true for everyone, but it’s especially true for women, who typically have more body fat and less muscle mass than men. As a result, we burn fewer calories ...

Staffing agency Woods & Co. recently held a wellness day in New York, which included a walk in Central Park followed by ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." IF YOU’RE LOOKING for a style of workout that will push you to your limits without needing to exercise ...

However, when you buy something through our retail links, Condé Nast may earn an affiliate commission. Like other HIIT workouts, the Norwegian 4x4 consists of brief spurts of high-intensity exercise ...

The best exercise for over-70s and how often to do it for longevity has been revealed in the 5-year study results ...

Stop viewing exercise as a solitary chore. By embracing group activities like HIIT, you harness the power of social ...

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 ...

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 ...

Both HIIT and LISS styles of exercise are guaranteed to make you sweat. Beyond that, however, these two workout methods start to diverge. In fact, you could say that HIIT (high-intensity interval ...