Lower belly weakness can be tough to target, but Skinny Mom founder Brooke Griffin is about to show you how to isolate that pooch. Burn up the fat and tone the core with these moves developed for beginners. If you're more advanced, look for Brooke's power moves. To make the workout more challenging, you can use a body bar and a medicine ball, but all the moves can be performed without equipment. Make some space and break a sweat!
>> Watch: Thigh Buster