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image: Illiacus
Illiacus

Illiacus

 Action :

  • Flex the torso and thigh with respect to each other.

Origin :

  • From upper 2/3 of iliac fossa of ilium, internal lip of iliac crest, lateral aspect of sacrum, ventral sacroiliac ligament and lower portion of iliolumbar ligament.

Insertion :

  • Lesser trochanter.

Innervation :

  • From muscular branch of femoral nerve.

Arterial Supply :

  • Lumbar branch of iliopsoas branch of internal iliac artery.

Depth :

  • Superficial
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