iliacus muscle

Origin

(superior attachments)

• superior 2/3 of the iliac fossa
• ala (wing) of sacrum
• anterior sacroiliac ligaments

Insertion

(inferior attachments)

• lesser trochanter of the femur
• shaft of the femur inferior to the lesser trochanter
• psoas major tendon

Action

• flexes thigh
• stabilizes hip joint
• action in coordination with the psoas major (iliopsoas)

Innervation

femoral nerve (L2-L4)

More general terms

• skeletal muscle (voluntary muscle)

Additional terms

• femoral nerve
• iliopsoas muscle
• psoas major