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, ...

Interval training’s stock has soared in recent years. Is it any wonder, when it promises to deliver impressive health and fitness perks in a shorter time frame than other workouts? Sessions can be fun ...

What Is It: Speedplay is a 60-minute high-intensity interval training class that combines running, rowing and floor exercises to burn up to 900 calories per session. Who Tried It: Gabrielle Olya, ...

REHIT is also ideal for people who are experiencing a weight-loss plateau, Mansour says. If you do a lot of high-intensity workouts without much rest, you're likely taxing your body more than you need ...

Not everyone can stay consistent with their workout routine, nor is intense exercise everyone’s cup of tea; some people have to work it out with mild exercises and/or short strolls. In fact, for ...