The Anterior Obturator Tubercle Of The Hip Bone Presented From A Medial Pespective

Description

Rotating through a medial perspective of the human os coxae, the animation centers on the anterior obturator tubercle along the anterosuperior margin of the obturator foramen at the junction of the superior pubic ramus and the pubic body. As the pelvis turns, the obturator groove on the superior pubic ramus comes into view just superior to the foramen, providing orientation to the course of the obturator canal. The acetabulum lies lateral and posterior to this region, while the pubic symphyseal surface remains medial and anterior, anchoring the viewer’s sense of pelvic position. Clinically, this small bony prominence is a practical landmark when teaching the boundaries of the obturator foramen and the relationship of the superior pubic ramus to the obturator neurovascular bundle. The sequential rotation clarifies what is hard to appreciate on flat diagrams: how the tubercle sits on the rim rather than within the foramen, and how the adjacent obturator groove guides the obturator nerve and vessels from pelvis to medial thigh. That spatial cue matters in discussions of obturator hernia, where bowel can protrude through the obturator canal and produce medial thigh pain via obturator nerve irritation (Howship Romberg sign). Use this animation in gross anatomy and pelvic osteology labs, surgical anatomy teaching for hernia approaches, and figure assemblies for orthopedic or radiology publications describing pubic ramus fractures and pelvic ring landmarks. Anatomical accuracy verified by SciePro's Medical Advisory Board.