How to do it
Grip the dumbbell by its top head with palms cupped together.
- 1
Lie on a stability ball with your upper back and shoulders supported, hips lifted to form a straight line with your body.
- 2
Hold a dumbbell with both hands straight above your chest.
- 3
Keeping your arms straight, lower the dumbbell back and over your head until your arms are parallel with the floor.
- 4
Bring the dumbbell back to the starting position, engaging your lats and chest.
Expert tip
Keep your hips lifted and engage your core to protect your lower back during the exercise.
Common mistakes
- ✕Bending the elbows as the weight lowers
- ✕Letting the arms travel beyond parallel
- ✕Losing upper-back contact with the ball