Static Abdominal Stretch On Stability Ball Lie with your back supported by the stability ball with arms stretched overhead as shown. Slowly straighten your legs as your back is supported by the ball and a stretch is felt in your abdominal area. Hold for 30 seconds. Posted on April 16, 2018October 8, 2018 by Adventure Performance Training Post navigationPrevious post: Static Piriformis Stretch Supine On BallNext post: Static Erector Spinae Stretch