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 Zones, ...

Looking for a quick ab workout to fire up your core? This seven-minute intense ab challenge targets your lower abs with no equipment. To find out for myself, I unrolled my yoga mat and gave it a go ...

Think you need to be weight training at the gym to get a serious workout in? This lower body sweat sesh from fitness coach Beverley Cheng packs in all the intensity of a lift class — and you can do it ...

Introducing your new go-to abs routine. This seven-minute workout can be done every day to strengthen one of the most important muscle groups in your body: the core. Trainer Jenna de León takes you ...

Instructions: For each move, perform as many reps as indicated. Continue to the next move. After you've completed all three moves, rest for 30 seconds, then you have the option to repeat the ...