We all grow older. There is nothing we can do about that, but the quality of those years is within our control, as recent ...

HIIT workout founded by a Japanese Olympic coach that uses periods of intense exercise and rest to burn calories.

Tabata workouts are short, intense exercises that require pushing yourself to the limit. Here's how to do Tabata-style exercises at any fitness level.

The hallmark of HIIT is repeated bouts of extremely hard work interspersed with periods of recovery. During your work intervals, you’ll be pushing yourself nearly to your max, Noam Tamir, CSCS, ...

The Secret to Riding Faster Isn’t Always More Time. These Quick, Indoor-Trainer Workouts Prove It.