How to do it
Press your lower back gently into the floor before each ascent.
- 1
Lie on your back with knees bent and feet flat on the floor.
- 2
Cross your arms over your chest.
- 3
Tighten your abs and lift your upper body towards your knees.
- 4
Lower yourself back down to the starting position.
Expert tip
Engage your core and avoid using your hip flexors to pull yourself up. Keep the movement smooth and controlled.
Common mistakes
- ✕Feet lifting off the floor
- ✕Jerking the torso up with momentum
- ✕Tucking the chin toward the chest