Hip Bone Showing The Outer Lip Of The Iliac Crest, Lateral View

Description

Iliac crest anatomy dominates this lateral view of the hip bone, with the outer lip of the crest forming the roughened superior margin of the iliac wing (ala) from the anterior superior iliac spine toward the posterior superior iliac spine. Immediately inferior to the crest, the lateral surface of the ilium shows the broad gluteal area, while the iliac fossa is largely excluded by the viewpoint, keeping attention on the external contour. Medial structures such as the auricular surface and iliac tuberosity fall away from the viewer, whereas lateral landmarks align in profile across the superior border. Surface texture matters here. The outer lip is a practical landmark because it frames major myofascial attachments: the tensor fasciae latae and iliotibial tract anchor anteriorly near the iliac tubercle, the abdominal wall muscles take origin along the crest, and the gluteus medius and minimus arise from the lateral ilium just inferior to it, relationships that often get blurred when the crest is taught without an external (lateral) reference. Palpation and injection planning in the superolateral gluteal region depend on appreciating how the crest and ASIS set the superior boundary, helping avoid the sciatic nerve while locating the ventrogluteal site over gluteus medius. Orthopedic and sports medicine teaching also benefits, since iliac apophysitis and traction-related pain in adolescents localize to the crest and its tubercle, and the same outer lip guides iliac crest bone graft harvest planning by defining the accessible superior rim and the lateral approach corridor. Use this illustration in gross anatomy labs, surface anatomy modules, and surgical anatomy figures discussing iliac crest graft sites, iliotibial tract tension syndromes, or ventrogluteal injection technique. It also fits radiology and orthopedics teaching slides when correlating palpated landmarks with pelvic plain-film orientation. Anatomical accuracy verified by SciePro's Medical Advisory Board.