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 ...

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 ...

Circuit training is an excellent, well-rounded workout that combines strength training and cardio in one. Although there is ...