You don't need to lift heavy dumbbells to get a killer upper body burn. Case in point: this 30-minute circuit workout from fitness coach Beverley Cheng In the latest video from her series Body ...

but by progressively overloading your circuit training regimen, you'll gain impressive strength as the weeks go by. "A 20 to 30-minute high-intensity session might fit into your day easier than a ...

This circuit combines full-body ... HIIT Session To get the most out of your 30-minute HIIT session, focus on maintaining intensity throughout the workout. The key to success in HIIT is to push ...

Hit your body from every angle with this 30-minute workout that builds muscle and burns fat at the same time. Place your hands behind your head, interlacing your fingers. Stand with your feet ...