How to do it
Pause for one count when your legs reach full extension.
- 1
Sit on the edge of a padded stool with your hands placed beside you for support.
- 2
Lean back slightly and lift your feet off the floor, keeping your knees together.
- 3
Extend your legs out in front of you, then raise them upwards.
- 4
Bring your knees back into your chest and then lower your legs without touching the floor.
- 5
Repeat the in-out motion for the desired number of repetitions.
Expert tip
Focus on maintaining a strong core engagement throughout the exercise and move your legs deliberately without using momentum.
Common mistakes
- ✕Lowering legs until they touch the floor
- ✕Rounding the lower back during the hold
- ✕Letting the knees drift apart