iliopectineal arch (deep crural arch)

Introduction

A thickened band of fused iliac & psoas fascia passing from the posterior aspect of the inguinal ligament anteriorly across the front of the femoral nerve. Presence of a psoas minor muscle makes its tendon of insertion blends with the arch.

Attachment

• To the iliopectineal eminence of the hip bone posteriorly.

Notes

Forms a septum that divides the space deep to the inguinal ligament into:

• lateral muscular lacunae
• medial vascular lacunae.

More general terms

• ligament

Additional terms

• iliac fascia
• iliopubic tract (deep crural arch, Thompson ligament)

Component of

• perineum