1) Start position: Lie face down on floor with hands down at sides. You may place a rolled towel under forehead to clear face from floor.
2) Raise chest and head off floor keeping feet in contact with floor.
3) Return to start position.
4) To increase resistance, extend arms and place hands overhead.
5) Do not raise head past 8-12 inches - excessive hyperextension may cause injury. To vary exercise raise feet while raising trunk.
