Iliopectineal arch

The Iliopectineal arch is a thickened band of fused iliac fascia and psoas fascia[1] passing from the posterior aspect of the inguinal ligament anteriorly across the front of the femoral nerve to attach to the iliopubic eminence of the hip bone posteriorly. The iliopectinal arch thus forms a septum which subdivides the space deep to the inguinal ligament into a lateral muscular lacuna and a medial vascular lacuna. When a psoas minor muscle is present, its tendon of insertion blends with the iliopectineal arch

Iliopectineal fascia
Latinarcus iliopectineus
Anatomical terminology

It is sometimes transected in treatment of femoral nerve entrapment.[2]

Additional Images


  1. "Definition: iliopectineal arch from Online Medical Dictionary". Retrieved 2008-10-12.
  2. Natelson SE (October 1997). "Surgical correction of proximal femoral nerve entrapment". Surgical Neurology. 48 (4): 326–9. doi:10.1016/S0090-3019(97)00171-7. PMID 9315126.
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