Iliopsoas Iliacus also is known as the iliopsoas(Iliopsoas Iliacus + Iliopsoas Psoas major). this refers as two muscles which are separate in the abdomen but merges while inserted and thus known as the joint iliopsoas.
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Origin of the iliopsoas
Iliopsoas originates from iliac fossa & crest, lateral sacrum separately.
Iliopsoas Psoas major Originates from transverse processes of L1-L5, bodies & discs of T12-L5.
Insertion of the iliopsoas
The iliopsoas is inserted on the lesser trochanter of the femur as one tendon.
The action of the iliopsoas
The iliopsoas( Iliopsoas Iliacus + Iliopsoas Psoas major ) is the prime mover of thigh flexion.iliopsoas is also responsible for lateral flexion of the vertebral column(psoas).
Nerve Supply of the iliopsoas
The iliopsoas is supplied with Femoral nerve (L2-L4) (Iliacus), Anterior rami of sacral plexus (L1-L3 ) (Psoas major).
Iliopsoas Psoas major is supplied by the ventral nerve.
Arterial Supply of the iliopsoas
The iliopsoas is supplied with a femoral artery in the thigh.
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