How to do it
Keep your feet shoulder-width apart for a stable base.
- 1
Lie on a stability ball with your upper back and shoulders supported, holding a dumbbell with both hands above your chest.
- 2
Drop your hips towards the floor as you lower the dumbbell over and beyond your head.
- 3
As you bring the dumbbell back to the starting position, lift your hips to return to a straight line with your body.
Expert tip
Coordinate your breathing with the movement, inhaling as you extend the hips and lower the dumbbell, and exhaling as you return to the starting position.
Common mistakes
- ✕Jerking the dumbbell upward with the arms
- ✕Hyperextending the neck to watch the dumbbell
- ✕Lifting the hips faster than the arms return