Crunch (w/ Stability Ball, Arms Straight)

How to do the Crunch (w/ Stability Ball, Arms Straight)

1. 1Lie on a stability ball with your lower back supported and feet flat on the floor.
2. 2Extend your arms straight above your head.
3. 3Engage your core and lift your upper body towards your knees.
4. 4Slowly lower back to the starting position.

TRACK THE CRUNCH (W/ STABILITY BALL, ARMS STRAIGHT) IN W8M8

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