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.

The Norwegian 4×4 method offers a powerful, time-efficient way to build an enduring body. By intentionally training your ...

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 ...

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

When it comes to getting enough exercise, everyone searches for something that speaks to them. Some people love the quiet solitude of jogging alone while others prefer the competitive element of team ...

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 ...

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

Team-building is taking on a new form, with companies adding high-intensity team workouts to their list of corporate ...

HIIT packs as much intense energy as possible into as little time as possible. And the method's producing mad results. A Metcon3 class at Equinox torches calories during class—and after thanks to High ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." High-intensity interval training (otherwise known as HIIT) may sound, well, intense. And it can be. But ...

On TikTok, workout tips abound — some credible, some dubious. And recently, you may have been hearing about something called sprint training, which falls somewhere between 12-3-20 treadmill workouts ...

New research from Edith Cowan University shows that a single bout of weight training or HIIT can boost anti-cancer myokines and reduce breast cancer cell growth in survivors.