More Articles Stability Ball Balance Exercises Ten Pin Bowling Tips for Beginners Deflate an exercise ball Exercises for Lower Back Pain Degenerative Disc Disease Exercises Swiss Ball Exercises for Abs Written by: Tanya Batts Written on: April 05, 2017 More Articles Using the Ab Crunch Exercise Machine at the Gym→ Six-Pack Abs With an Exercise Ball→ Choose Exercise Balls→ Writer Bio Tanya Batts has worked as a certified personal fitness trainer for more than 11 years.