Dumbbell one arm hammer press on exercise ball

How to do it

1. 1Sit on an exercise ball with your feet flat on the ground and your back straight.
2. 2Hold a dumbbell in one hand with your palm facing inwards and your elbow bent at a 90-degree angle.
3. 3Place your other hand on your hip for stability.
4. 4Press the dumbbell upwards, extending your arm fully.
5. 5Pause for a moment at the top, then slowly lower the dumbbell back to the starting position.
6. 6Repeat for the desired number of repetitions, then switch arms.