Origin Thoracolumbar fascia, anterior 2/3 of iliac crest, lateral 1/2 of inguinal ligament
Insertion Inferior borders of ribs 10-12, linea alba, pubic crest
Innervation Ventral rami of inferior 6 thoracic and 1st lumbar nerves
Action Supports abdominal viscera, flex and rotate trunk
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Last Modified 1998 Aug 12 by FSC