1. Start position: Lie back onto floor or bench with legs extended and straight up squeezing a stability ball and hands behind head. Keep elbows back and out of sight. Head should be in a neutral position with a space between chin and chest.
2. Leading with the chin and chest towards the ceiling, contract the abdominal and raise shoulders off floor and twist your shoulders leading with the right shoulder.
Return to start position and repeat with the other shoulder.
