Action: Flexes vertebral column; compresses abdominal wall Origin - Lumbar fascia; iliac crest; inguinal ligamentInsertion - Linea alba; pubic crest Innervation:

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1.
Action: Flexes vertebral column; compresses abdominal wall
Origin - Lumbar fascia; iliac crest; inguinal ligament
Insertion - Linea alba; pubic crest
Innervation: