The iliopectineal arch is a thickened band of fused

iliac fascia The iliac fascia (or Abernethy's fascia) is the fascia overlying the iliacus muscle. Superiorly and laterally, the iliac fascia is attached to the inner aspect of the iliac crest; inferiorly and laterally, it extends into the thigh to unite with ...

and psoas fascia passing from the posterior aspect of the

inguinal ligament The inguinal ligament (), also known as Poupart's ligament or groin ligament, is a band running from the pubic tubercle to the anterior superior iliac spine. It forms the base of the inguinal canal through which an indirect inguinal hernia may ...

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. It is the largest branch of the lumbar plexus. Structure The femoral nerve is the major nerve supplying the ant ...

to attach to the iliopubic eminence 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 and a medial vascular lacuna. When a

psoas minor muscle The psoas minor muscle ( or ; from ) 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 muscle originates from the vertical fascicle ...

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

entrapment.

Additional images

File:Slide2gala.JPG, Iliopectal arch. Deep dissection. Anterior view.

References

{{Authority control Pelvis Fascia