How to do it
Initiate each rep by drawing your lower ribs toward your pelvis.
- 1
Lie on your back with your legs extended straight up towards the ceiling and your hands behind your head.
- 2
Contract your abs to lift your shoulder blades off the floor, reaching towards your toes.
- 3
Slowly lower back down to the starting position.
- 4
Repeat for the desired number of repetitions.
Expert tip
Exhale as you crunch up and keep your neck neutral to avoid straining it.
Common mistakes
- ✕Lifting the lower back off the floor
- ✕Using momentum to bounce between reps
- ✕Letting the legs drift away from vertical