Lower Rectus Abdominis Exercises Using a Ball

  • 9 years ago
Lower Rectus Abdominis Exercises Using a Ball. Part of the series: Improving Your Workout. The muscles of the rectus abdominis run vertically from the ribcage down to the pubic bone. Find out about lower rectus abdominis exercises using a ball with help from a fitness and wellness professional with over 12 years of experience in this free video clip.