How to do it
Press your arms firmly into the floor for stability.
- 1
Lie on your back with your calves and heels on top of a stability ball.
- 2
Thrust your hips upwards, forming a straight line from your shoulders to your feet.
- 3
Pull the ball towards your buttocks by bending your knees, rolling the ball with your feet.
- 4
Slowly straighten your legs to roll the ball back to the starting position.
- 5
Repeat for the desired number of repetitions.
Expert tip
Keep your hips raised throughout the exercise to ensure continuous tension on the hamstrings.
Common mistakes
- ✕Dropping the hips between curl repetitions
- ✕Rolling the ball with toes instead of heels
- ✕Extending the lower back to compensate