Slowly lower to start position. Lift one leg up off floor, balance, and return foot to floor. Seated - Base Position Sit upright and centred on the ball. Allow lower spine to move as much as possible. Supine Hip Extension Lie on back.
Place calves on ball and hands on floor at side.
Press arms into floor and left buttocks up until body is in a straight line. Pause at the top of the movement then slowly return to start position.