Iliac Crests Of The Pelvic Girdle, Lateral View

Description

Iliac crest contours dominate the lateral aspect of the pelvic girdle, tracing the thickened superior border of the ilium from the anterior superior iliac spine (ASIS) posteriorly toward the posterior superior iliac spine (PSIS). Along the crest, the iliac tubercle sits on the anterolateral segment, while the lateral (gluteal) surface of the ilium descends inferiorly toward the acetabular region and the origin area of the gluteal musculature. A palpable landmark. From a clinical standpoint, this lateral perspective helps anchor surface anatomy to bony reality: the ASIS and iliac crest guide pelvic obliquity assessment, leg length evaluation, and safe landmarking for procedures that reference the intercristal plane (Tuffier’s line) at approximately L4. Orthopedic and sports medicine audiences also rely on the iliac crest when discussing iliac apophysitis and avulsion injuries in adolescents, as well as direct trauma patterns that produce iliac wing fractures. The crest is also the workhorse donor site for cancellous bone graft, and appreciating its thickness, curvature, and the lateral lip used by attachments such as tensor fasciae latae and portions of the abdominal wall musculature informs incision planning and avoidance of superficial nerve irritation near the ASIS (lateral femoral cutaneous nerve). Medical educators can place this illustration in pelvic osteology labs, musculoskeletal anatomy lectures, and clinical skills teaching that links palpation points to underlying bone. It also suits orthopedic texts on pelvic fractures, sports medicine chapters on apophyseal injuries, and radiology introductions that orient learners to pelvic landmarks before CT or plain-film interpretation. Anatomical accuracy verified by SciePro's Medical Advisory Board.