Popsugar Health & Fitness Arm Exercises Best Plank Variations This Is the Ultimate Move For Sculpting Arms and Abs — Try These 30 Variations 26 July 2018 by Jenny Sugar View On One Page Photo 30 of 30 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 30 Circling Plank 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 small counterclockwise circles. Circle in the other direction to complete the rep. Previous Next Start Slideshow Arm ExercisesWorkoutsAb Exercises