Iliofemoral ligament

Last revised by Craig Hacking on 1 Dec 2020

The iliofemoral ligament is very strong and shaped like an inverted Y, lying anteriorly and intimately blended with the capsule. Its apex is attached between the anterior inferior iliac spine and acetabulum rim, its base to the intertrochanteric line. The oblique lateral ligament attaches to a tubercle at the superolateral end of the intertrochanteric line, the vertical medial ligament reaches the inferomedial end. Parts of the ligament attached above and below the intertrochanteric line are thicker than the part attached to the central part of the line, hence giving the inverted Y appearance.

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