How to do it
- Hang from a pull-up bar with your arms fully extended and your palms facing away from you.
- Engage your core muscles and lift your knees towards your chest, bending at the hips and knees.
- Pause for a moment at the top of the movement, squeezing your abs.
- Slowly lower your legs back down to the starting position.
- Repeat for the desired number of repetitions.
