Popsugar Fitness Exercise Balls Ab Moves With Exercise Ball Exercise Balls Are Grade-A Tools For Working Your Abs! Here's Proof 23 July, 2020 by Samantha Brodsky View On One Page Photo 1 of 9 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Stir the Pot Begin in an elbow plank with your forearms resting on the top of a ball. Keeping your core strong and your body still, use your arms to roll the ball in a small clockwise circle. This completes one rep. Try it counter-clockwise as well. Previous Next Start Slideshow Exercise BallsAb Exercises