1
Hang from a pull-up bar with arms fully extended, feet together, and body in a neutral position with core engaged and slight posterior pelvic tilt
2
Maintain a firm grip on the bar with hands shoulder-width apart, depress and retract scapulae slightly to stabilize shoulder position
3
Lower the legs in a controlled manner by allowing hip flexors to lengthen while resisting gravity, maintaining slight knee bend to reduce lower back strain
4
Drive knees upward toward chest by flexing hip and contracting rectus abdominis, bringing thighs to approximately horizontal or higher, then slowly lower back to starting position with control