Iliacus muscle

Iliacus muscle
Position of iliacus muscle (shown in red.)
The iliacus and nearby muscles
Details
Pronunciation/ɪˈl.əkəs/
OriginUpper two-thirds of the iliac fossa
InsertionBase of the lesser trochanter of femur
ArteryMedial femoral circumflex artery, iliac branch of iliolumbar artery
NerveFemoral nerve
ActionsFlexes and rotates medially thigh[citation needed]
AntagonistGluteus maximus
Identifiers
Latinmusculus iliacus
TA98A04.7.02.003
TA22594
FMA22310
Anatomical terms of muscle

The iliacus is a flat, triangular muscle which fills the iliac fossa. It forms the lateral portion of iliopsoas, providing flexion of the thigh and lower limb at the acetabulofemoral joint.