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 ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." As a physical therapist and strength and conditioning specialist, I’m all about finding fitness solutions ...

Jogging and circuit training are two popular workout regimes that promise to boost metabolism. While jogging is a steady-state cardio exercise, circuit training involves a series of exercises ...

If you only have an hour to train, and want a really intense workout, try circuit training. The key to great circuit training is to use only major muscle groups. Each exercise must use many joints at ...

From her new book, this is the Jillian Michaels workout that increases your longevity, metabolism, and vitality—meet metabolic circuit training. Plenty of fitness modalities have come together to ...

New workout trends crop up all the time—some, like HIIT and circuit training, catch on for the long haul. Both of these modalities get your heart pumping and your muscles burning, making them the ...

- Definition: When the first set of each exercise is performed sequentially (commonly, with little rest between exercises), and then the next set of each exercise is performed. This type of ...