Iliopectineal fascia
Latin	arcus iliopectineus
Gray's	subject #127 466

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 iliopectineal 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

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

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v • d • e List of muscles of torso (TA A04.3-5, GA 4.397) Back splenius (capitis, cervicis) · erector spinae (iliocostalis, longissimus, spinalis) · latissimus dorsi transversospinales: (semispinalis dorsi, semispinalis cervicis, semispinalis capitis, multifidus, rotatores) · interspinales · intertransversarii Vertebral column: trapezius · latissimus dorsi · rhomboid (major, minor) · levator scapulae fascia: Thoracolumbar fascia Thorax intercostales (external, internal, innermost) · subcostales · transversus thoracis · levatores costarum · serratus posterior (inferior, superior) · diaphragm Thoracic cavity: pectoralis major · pectoralis minor · subclavius · serratus anterior fascia: Pectoral fascia · Clavipectoral fascia Abdominopelvic Abdomen/ wall Anterior/ lateral Abdominal external oblique · Transversus abdominis/Conjoint tendon · Rectus sheath (rectus abdominis, pyramidalis) · Arcuate line · Tendinous intersection Cremaster · Abdominal internal oblique Fascia/abdominal fascia: panniculus adiposus (Fascia of Camper) · stratum membranosum (Fascia of Scarpa) · Transversalis fascia (Interfoveolar ligament) Linea alba · Linea semilunaris · Inguinal triangle Inguinal canal (Deep inguinal ring, Superficial inguinal ring, Intercrural fibers, Crura of superficial inguinal ring) Inguinal ligament (Pectineal ligament, Lacunar ligament, Reflected ligament) Posterior quadratus lumborum · psoas major/psoas minor · iliacus  · iliopsoas fascia (Iliac fascia/Iliopectineal arch) Pelvis levator ani (iliococcygeus, pubococcygeus, puborectalis) · coccygeus fascia/pelvic fascia visceral (Rectovaginal fascia, Rectoprostatic fascia) · parietal (Obturator fascia/Tendinous arch, Piriformis fascia) floor/diaphragm: Superior fascia of pelvic diaphragm (Pubovesical ligament, Puboprostatic ligament) · Inferior fascia of pelvic diaphragm Anococcygeal body