Exercise ball alternating arm ups

How to do it

1. 1Sit on the stability ball with your feet flat on the ground and your back straight.
2. 2Hold a dumbbell in each hand with your palms facing inwards and your arms extended down by your sides.
3. 3Engage your core and slowly lift one arm up towards your shoulder, keeping your elbow slightly bent.
4. 4Pause for a moment at the top, then slowly lower your arm back down to the starting position.
5. 5Repeat the movement with the other arm.
6. 6Continue alternating arms for the desired number of repetitions.