Technique
How to perform it
- Sit on an exercise ball and roll forward until your upper back is resting on the ball.
- Hold a dumbbell with both hands and extend your arms straight up over your chest.
- Slowly lower the dumbbell behind your head while keeping your arms straight.
- Pause for a moment, then raise the dumbbell back to the starting position.
- Repeat for the desired number of repetitions.
