STABILITY BALL CRUNCH INTENSE

Muscles Trained :
Rectus Abdominis and External Oblique

Joint Actions :
Trunk Flexion

Instructions :

1. Lie supine (facing upward) on a gym ball.
2. Place ball directly beneath the lower back (at level of lumbar curve)with feet flat on the floor shoulder width apart.
3. Place hands behind your head.
4. To begin the movement, flex (bend) the trunk upward.
5. Exhale throughout the upward movement phase.
6. Continue the movement until the trunk has reached a 30 degree angle with the floor.
7. Lower the body slowly to starting position.
8. Inhale throughout the downward movement phase.
9. Keep the same pace throughout the entire movement.
10. Repeat movement for desired number of repetitions.

Variations :

None.

Common Mistakes :

1. Pulling on the head with the hands.
2. Forgetting to support the head with the hands.

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