iliacus

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il·i·a·cus (mus·cle)

[TA]
origin, iliac fossa; insertion, via a common tendon with psoas major into anterior surface of lesser trochanter of the femur, and capsule of hip joint; action, flexes thigh and rotates it medially; nerve supply, lumbar plexus.
Synonym(s): musculus iliacus [TA], iliac muscle

iliacus

The part of the ILIOPSOAS muscle arising from the inside of the back wall of the pelvis (the iliac fossa and sacrum) and being inserted into the top of the front of the FEMUR. The iliacus helps to flex the hip joint in walking.
References in periodicals archive ?
The femoral nerve, the psoas major and iliacus muscles are covered by the iliacus fascia forming a tight fascial compartment.
IM= Iliacus muscle, F= femoral nerve, MT= muscular trunk, RF= nerve to rectus femoris, VL= nerve to vastus lateralis, VI= nerve to vastus intermedius, VM= nerve to vastus medialis, CT= cutaneous trunk, S= saphenous nerve, IC= intermediate cutaneous nerve of thigh and MC= medial cutaneous nerve of thigh.
Bilateral variations of the psoas major and the iliacus muscles and presence of an undescribed variant muscle - accessory iliopsoas muscle.
(16) Under the inguinal ligament, the femoral nerve lies on the superficial border of the iliacus muscle. As it leaves the inguinal region, the nerve enters the femoral triangle, limited superiorly by the inguinal ligament, laterally by the sartorius muscle and medially by the long adductor muscle.
Areas treated during the massage were her feet, posterior legs, gluteals, back, shoulders, neck and hip regions into the psoas and iliacus muscles.