Build a winning physique with this cutting-edge routine. It's designed to help you build a rock-solid core, burn fat, and improve your sports performance. Perform this routine at the end of your regular workout or as a stand-alone workout, 3 days a week. (Use a 6-, 8-, or 10-pound medicine ball.) Do 20 repetitions of each exercise in the order shown. Complete the routine as a circuit, doing 1 set of each movement in succession and without resting. Too easy? Rest 60 to 90 seconds and do the circuit again.

Push Squats and Medicine Ball Press:



Lunge Cross-Overs with Medicine Ball:

Standing Oblique Twists with Medicine Ball:



Standing Reverse Wood Chop with Med Ball:



Russian Twist with Medicine Ball:



Medicine Ball Crunch: