How to do it
Keep your gaze forward and chin off the chest.
- 1
Sit on the floor with your knees bent and feet flat, holding a weight close to your chest.
- 2
Lean back slightly and lift your feet off the floor, balancing on your sit bones.
- 3
Pull your knees towards your chest while bringing the weight towards your knees.
- 4
Extend your legs and lean back to the starting position without touching your feet to the floor.
- 5
Repeat for the desired number of repetitions.
Expert tip
Keep the movement slow and controlled, and avoid using momentum to ensure that the abs are doing the work.
Common mistakes
- ✕Dropping the chest as the legs extend
- ✕Touching the feet to the floor between reps
- ✕Letting the weight pull the shoulders forward