Instructions:
- 1Lie with your upper back and shoulders on the exercise ball, feet flat on the floor with knees bent at a 90-degree angle
- 2Hold a dumbbell with both hands straight up over your chest
- 3Lower the dumbbell behind your head, keeping your arms extended
- 4Raise the dumbbell back up to the starting position
- 5Repeat the movement for the desired number of reps
Tips:
- Engage your core to maintain balance on the ball
- Keep your arms extended but don't lock your elbows
- Perform the movement in a controlled manner
- Inhale when lowering the dumbbell; exhale when raising it