Gracilis Muscle
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Iliacus Muscle
Iliacus Muscle (Musculus iliacus)
Attachments of Iliacus Muscle
Origin (proximal attachment):
a. Iliac fossa of os coxa.
Insertion (distal attachment):
a. Lesser trochanter of femur.
Actions of Iliacus on the thigh (femur):
a. Flexes the thigh at hip.
b. Laterally rotates thigh at hip.
c. Flexes trunk & pelvis on thigh (if origin & insertion are reversed).
Nerve to muscle and its spinal segment:
Femoral nerve (L2-L3).