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Iliofemoral ligament (Y ligament or ligament of Bigelow):
- Stem of Y: attached to Anterior inferior iliac spine (AIIS)
- Arms of Y: attached to upper and lower part of inter-trochanteric line
The iliofemoral ligament reinforces the anterior aspect of the capsule. The ligament limits extension of the hip joint.
Abduction during reduction maneuvers of femoral neck fracture (Whitmann technique) tightens the iliofemoral ligament and stabilizes the reduction.
