Action: Flexes lumbar region of vertebral column; rotates lumbar region of vertebral column Origin - Pubic crest; pubic symphysis Insertion - Xiphoid process; ribs 5-7 Innervation - Intercostal nerves 7-11 and subcostal nerve

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1.
Action: Flexes lumbar region of vertebral column; rotates lumbar region of vertebral column
Origin - Pubic crest; pubic symphysis
Insertion - Xiphoid process; ribs 5-7
Innervation - Intercostal nerves 7-11 and subcostal nerve