It combines strength and cardio into one total body sweat session.

Fitness is always top of mind this time of year, as many athletes begin to fine-tune their disciplines and many casual exercisers re-up their commitment as part of their resolutions for the new year.

True story: You don't need a lot of time to squeeze in a decent sweat sesh. In fact, research shows that high-intensity interval (HIIT) workouts that last for as little as 10 minutes are more ...

I've been getting more and more into running lately, and while I've been tending towards long distance running, one of the best ways to beef up your running expertise is by doing what's called HIIT -- ...