How to do it
Exhale as you draw your knees toward your chest on each repetition.
- 1
Lie flat on your back with your hands placed beside you or under your glutes for support.
- 2
Lift your legs up to a 90-degree angle with your knees bent.
- 3
Contract your abs to curl your hips off the floor, bringing your knees towards your chest.
- 4
Slowly lower your hips back down to the starting position without letting your feet touch the floor.
- 5
Repeat for the desired number of repetitions.
Expert tip
Keep the movement slow and controlled to maximize engagement of the abdominal muscles without using momentum.
Common mistakes
- ✕Arching the lower back away from the floor
- ✕Lifting the head and shoulders off the ground
- ✕Straightening the legs during the curl