quadratus lumborum

<anatomy, muscle> Origin, iliac crest, iliolumbar ligament, and transverse processes of lower lumbar vertebrae; insertion, twelfth rib and transverse processes of upper lumbar vertebrae; action, abducts trunk; nerve supply, ventral primary rami of upper lumbar spinal nerves.

Synonym: musculus quadratus lumborum, lumbar quadrate muscle, quadrate muscle of loins.

(05 Mar 2000)


Terms mentioned in text: anatomy, muscle, origin, iliac crest, iliolumbar ligament, transverse processes, lumbar vertebrae, insertion, rib, transverse, processes, upper, lumbar, vertebrae, action, abducts, trunk, nerve, supply, ventral, primary, rami, spinal nerves, musculus quadratus lumborum, lumbar quadrate muscle, quadrate muscle of loins
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