Anterior Superior Iliac Spine Of The Hip Bone, Lateral View

Description

Anterior superior iliac spine (ASIS) projects from the anterior end of the iliac crest on the os coxae, presented in lateral view so its prominence is read against the outward curve of the iliac ala. From this perspective, the iliac crest runs superiorly and posteriorly from the ASIS, while the anterior inferior iliac spine (AIIS) lies inferior and slightly posterior, closer to the supra-acetabular region. The acetabular rim and the anterior margin of the hip bone sit inferior to the crest, providing bony context for where the ilium transitions toward the articular complex. A palpable landmark. Clinically, the ASIS anchors the inguinal ligament and provides attachment for the sartorius and the tensor fasciae latae, so its exact contour matters when teaching anterior hip and groin anatomy and when explaining traction-related apophyseal injury in adolescents. Avulsion fractures at the ASIS often follow sudden sprinting or kicking, and the lateral perspective helps communicate why the fragment typically displaces anterolaterally along the line of pull. The same region also frames the course of the lateral femoral cutaneous nerve as it passes near the ASIS under or through the inguinal ligament, a relationship central to meralgia paresthetica and to safe portal placement during anterior approaches around the hip. Sports medicine texts, orthopedic lecture slides, and pelvic surface anatomy modules can use this illustration to label attachment sites and to pair palpation points with symptom patterns from ASIS avulsion, iliac apophysitis, or lateral femoral cutaneous nerve entrapment. It also suits procedural guides that reference the ASIS when describing incision planning, TAP block landmarks, or orientation for pelvic alignment assessment in physical therapy documentation. Anatomical accuracy verified by SciePro's Medical Advisory Board.