All right, guys, we are going to do a 10 minute medicine ball workout-- five exercises, one minute each, in two rounds. So grab your medicine ball, and let's get going. We're going to start with ...

Hold a medicine ball with your hands ... Control the motion and engage your core throughout the wood chop exercise. Attach a resistance band to a sturdy object at chest height.

But to really carve your core—and hit your obliques—you need to work it from all angles and prioritize weighted ab exercises ... Hold a medicine ball with both hands and stand with feet ...