Great Body Core Exercise

Two Leg Pike
Rollout on the ball until your shins are on the ball and you are forming a bridge.
Keeping this position roll your knees in towards your chest.
Return to the starting position and repeat.
Great Body Core Exercise

Two Leg Pike
Rollout on the ball until your shins are on the ball and you are forming a bridge.
Keeping this position roll your knees in towards your chest.
Return to the starting position and repeat.