· Grasp a Barbell or Dumbbell and sit on a Ball with your feet firmly placed on the floor. · Lower your body so your upper abs are the only part of your body supported on the Ball. · Bring the Barbell or Dumbbell to your chest with your arms extend. · In an arcing motion raise the Barbell or Dumbbell over and behind your head towards the floor. · Return to starting position. · Repeat.