How to do it
Press your knees firmly into the floor to anchor your body.
- 1
Kneel behind a stability ball with a dumbbell in each hand, palms facing up.
- 2
Lean forward and place the back of your upper arms on the ball.
- 3
Perform a curl by bringing the dumbbells towards your shoulders.
- 4
Lower the dumbbells slowly back to the starting position.
- 5
Repeat for the desired number of repetitions while maintaining good form.
Expert tip
Keep your core engaged and maintain a controlled movement to prevent using momentum.
Common mistakes
- ✕Driving elbows into the ball for leverage
- ✕Letting the dumbbells fall rapidly on descent
- ✕Letting the upper arms slide off the ball