1. Lie supine on the stability ball with back flat, feet on the ground - upper back should be supported by the ball
2. Safely pick up the dumbbells with an overhand grip, fully extend arms above your mid chest - this is your start position
3. Lower the dumbbells towards your chest keeping a 45 degree angle at your shoulder joint - this is your end position
4. Return to start position, repeat for desired number of reps

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