All right, guys. We're going to do a 10-minute, total body workout using the stability ball. So let's get started. We're going to start with the overhead reach. So the ball high in the air ...

Want to work your abs with a yoga ball? We turned to an expert to walk you through the best moves to do—and how to do them.

To combat that issue and help us work our cores safely, we contacted our friend and contributing fitness editor, Debra ...