How to do it
Keep your elbows spread wide behind your head throughout the entire set.
- 1
Lie on your back with your hands behind your head and legs extended.
- 2
Bring your knees towards your chest while simultaneously lifting your upper body off the floor.
- 3
Squeeze your abs at the top of the movement.
- 4
Slowly lower back to the starting position.
- 5
Repeat for the desired number of repetitions.
Expert tip
Focus on a controlled movement, exhaling as you tuck in and inhaling as you extend, to enhance engagement of the abdominal muscles.
Common mistakes
- ✕Pulling the head up with the hands
- ✕Using momentum to swing the knees in
- ✕Lifting the lower back off the floor