Medical Dictionary

quadratus lumborum

noun quadratus lum·bor·um \-ləm-ˈbr-əm\

Definition of QUADRATUS LUMBORUM

:  a quadrilateral-shaped muscle of the abdomen that arises from the iliac crest and the iliolumbar ligament, inserts into the lowest rib and the upper four lumbar vertebrae, and functions especially to flex the trunk laterally
April 02, 2015
capricious Hear it
impulsive or unpredictable
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