The Iliopectineal arch is a thickened band of fused

iliac fascia The iliac fascia, or Abernethy's fascia, is a fascia in the region of the ilium of the pelvis. It has the following connections: * ''laterally'', to the whole length of the inner lip of the iliac crest. * ''medially'', to the linea terminalis of ...

and

psoas fascia Psoas (from Greek ψόας) can refer to: * Psoas major muscle * Psoas minor muscle * Psoas sign The psoas sign, also known as Cope's sign (or Cope's psoas test) or Obraztsova's sign, is a medical sign that indicates irritation to the iliopsoas ...

passing from the posterior aspect of the inguinal ligament anteriorly across the front of the

femoral nerve The femoral nerve is a nerve in the thigh that supplies skin on the upper thigh and inner leg, and the muscles that extend the knee. Structure The femoral nerve is the major nerve supplying the anterior compartment of the thigh. It is the largest ...

to attach to the

iliopubic eminence Medial to the anterior inferior iliac spine is a broad, shallow groove, over which the iliacus and psoas major muscles pass. This groove is bounded medially by an eminence, the iliopubic eminence (or iliopectineal eminence), which marks the point o ...

of the hip bone posteriorly. The iliopectineal arch thus forms a septum which subdivides the space deep to the inguinal ligament into a lateral

muscular lacuna The muscular lacuna (Latin: ''lacuna musculorum'') is the lateral compartment of the thigh inferior to the inguinal ligament, for the passage of the iliopsoas muscle, the femoral nerve The femoral nerve is a nerve in the thigh that supplies s ...

and a medial

vascular lacuna The vascular lacuna (Latin: ''lacuna vasorum'') is the compartment beneath the inguinal ligament which allows for passage of the femoral vessels, lymph vessels and lymph nodes. Its boundaries are the iliopectineal arch, the inguinal ligament, t ...

. When a

psoas minor muscle The psoas minor muscle ( or ; from grc, ψόᾱ, psóā, muscles of the loins) is a long, slender skeletal muscle. When present, it is located anterior to the psoas major muscle.Tank (2005), p 93Gray (2008), p 1372 Structure The psoas minor mus ...

is present, its tendon of insertion blends with the iliopectineal arch It is sometimes transected in treatment of

entrapment.

Additional Images

File:Slide2gala.JPG, ILIOPECTINEAL ARCH.Deep dissection.Anterior view.

References

{{Authority control Pelvis Fascia