The Scientific 7-Minute Workout is fast, efficient and works for almost everyone. Chris Jordan, the exercise physiologist who helped make it a viral phenomenon, explains.

Sohee Lee, a trainer at Peak Performance in New York (where celebs like Anne Hathaway and Claire Danes go to get red-carpet ready in record time), has your back: Her workout plan will get you fit ...

From High Intensity Interval Training to yoga, and running to bulking and shredding - this episode seeks out the most effective forms of exercise. Getting fit has never been bigger business, with ...

Karina says dancing is one of the best workouts you can get, since the steps are always changing. But if you only have a few days, there are some shortcuts.