How to do it
Press your lower back flat against the floor during the descent.
- 1
Attach ankle straps to a low pulley and lie on your back with your hands holding a support behind your head.
- 2
Lift your legs and bend your knees towards your chest.
- 3
Contract your abs and curl your hips off the floor, bringing your knees towards your chest.
- 4
Slowly lower your legs back to the starting position without allowing your feet to touch the ground.
Expert tip
Focus on using your abs to pull your knees towards your chest, rather than swinging your legs to create momentum.
Common mistakes
- ✕Allowing the feet to touch the floor
- ✕Keeping the hips flat on the floor
- ✕Yanking the support with your arms