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O and I Abdomen

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kodopumi's version from 2015-12-09 21:31

Origins Insertions And Actions of Muscles of the Abdominal Wall

MuscleOriginInsertionAction
external obliqueat lower eight ribson linea alba and on iliac crestcompresses the abdomen, lateral rotation
internal obliqueon iliac creast and lumbodorsal fascia, and inguinal ligamenton linea alba, costal cartilages of last 3-4 ribs, and pubiscompresses abdomen, lateral rotation
transversus abdominisat iliac creast, inguinal ligament, lumbar fascia, and costal cartilage of last six ribson xiphoid process of sternum, linea alba and pubiscompresses the abdomen
Rectus abdominison symphysis pubison costal cartilage of ribs 5-7 and xiphoid process of sternumflexes vertebral column
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