How to do it
Exhale fully as you crunch your knees together.
- 1
Lie on your back with your knees bent and feet flat on the floor.
- 2
Place your hands behind your head for support, without pulling on your neck.
- 3
Lift your shoulders off the ground, crunching towards your pelvis while simultaneously bringing your knees together.
- 4
Slowly return to the starting position and repeat for the desired number of repetitions.
Expert tip
Keep your movements slow and controlled, focusing on contracting your abdominal muscles fully with each repetition.
Common mistakes
- ✕Pulling on the neck with the hands
- ✕Letting the knees drift apart at the top
- ✕Lifting the entire spine off the floor