1. Sit in upright position on flexaball with feet flat on floor.
2. Walk feet forward allowing flexaball to roll underneath body until it is positioned on lower to mid-back region. Raise hips slightly to create a “table top” position parallel to floor.
3. Place hands on chest and hold a medicine ball. Head should be in a neutral position with a space between chin and chest.
4. Leading with the chin and chest towards the ceiling, contract the abdominal and raise shoulders up to a seated position.
5. Return to start position.
6. Remember to keep head and back in a neutral position. Hyperextension or flexion of either may cause injury.