Seated Abdominal Twist on BOSU Ball

To start the seated abdominal twist, sit on the dome the of the BOSU ball with hips slightly forward of center.  Lean the upper body back while bringing the legs and feet up off the ground in a balanced position.  From this position, twist the arms and upper torso to one side while moving the knees and legs in the opposite direction.  The arms should be extended out away from the body and toes point out away from the body in the opposite direction.  While maintaining balance bring the arms and legs back to the starting position before initiating the twisting movement of the arms and legs in the opposite direction.   Repeat the back and forth motion for a total of 8-12 reps per side.