How to do it
Keep your shoulders actively pulled down away from your ears.
- 1
Hang from a special bar with your hands shoulder-width apart.
- 2
Keep your legs straight down with your feet together.
- 3
Contract your abs and tuck your knees up towards your chest.
- 4
Slowly extend your legs back to the starting position.
- 5
Repeat for the desired number of repetitions.
Expert tip
Focus on using your abs to pull your knees towards your chest rather than relying on momentum.
Common mistakes
- ✕Bending the elbows during the knee tuck
- ✕Arching the lower back excessively
- ✕Dropping the legs back down too fast