"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 ...

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 ...

What Is It: Training Mate is a HIIT circuit training class founded by Luke Milton, a celebrity trainer and former captain of the Australian Rugby team. Fans of the class include Freida Pinto, Jesse ...

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 ...

Anaerobic exercise is similar to aerobic exercise but uses a different form of energy — quickly and immediately. Anaerobic exercises include high-intensity interval training (HIIT), weight lifting, ...

END OF THE WEEK. JEN: TIME FOR 11 FITNESS WITH CHARLES HARRIS AND URSULA. THIS IS THE COOLEST THING I'VE EVER SEEN FOR HOMEMADE CIRCUIT TRAINING. >> WHAT'S THE NUMBER ONE EXCUSE FOR WOMEN NOT WORKING ...

Looking to take your training up a notch? You can strategically employ various resistance training techniques, including rest-pause training and pyramid training, to intensify your workouts and ...