According to LiveStrong.com, using a stability ball will not only activate more muscle fibers in a movement, but it will also help improve spinal stability. Extra credit if you dance for your talent, as the stability ball has also been found to aid in sport performance! So get ready to sweat, because this workout is no joke! With just seven moves you can hit every major muscle group in your body. You can do a full body workout three times a week to see results.