The hip joint becomes incongruous if there is too much torsion in the joint region. Therefore the outward appearance of of ante- or retroversion are often observed as distal anomalies. Within- circular depression devoid of cartilage with fatty tissue covered by synovial membrane. NP 454 Acetabular labrum -fibrocartilage lip that deepens the socket, protects bony rim and smoothes surface. Converts notch to foramen through which nutrient vessels pass.
Vessels pass deep to ligament.
Ligaments that support the capsule -joint is encased in an articular capsule reinforced by ligaments. Along anterior surface of capsule. Apex attached to inferior anterior inferior iliac spine and body of ilium between spine and acetabular rim. The strongest of the capsular ligaments. Limits hip extension.