STABILITY BALL CRUNCH

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 scapulas (shoulder blades) with feet flat on the floor shoulder width apart.
3. Place hands behind your head.
4. To begin the movement, lift the shoulder blades off the ball by flexing (bending) the trunk.
5. Exhale throughout the upward movement phase.
6. Continue the movement until the scapulas are off the ball.
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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