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 ...

Fitness is always top of mind this time of year, as many athletes begin to fine-tune their disciplines and many casual exercisers re-up their commitment as part of their resolutions for the new year.

Strength and conditioning coach Clif Marshall, M.S., senior director of coaching and pro training at D1 Training, shared a bodyweight workout that develops both power and cardio. By combining short ...

This video teaches calisthenics for beginners. It's a full beginner routine that is designed to burn fat and build muscle 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 ...

Massy Arias, a NASM- and ACE-certified personal trainer who has worked with the likes of Jordin Sparks and Kelly Rowland, said that she's a huge fan of circuit training. One of the benefits she ...

Think you always need long, slow strength sessions to build strength and burn fat? Think again. New research suggests that high-intensity circuit training—workouts that pack multiple strength moves ...