Q:

What are the attachments of the internal oblique muscle?

0

What are the attachments of the internal oblique muscle?


  1. Origin on the thoracolumbar fascia, anterior two thirds of iliac crest, iliopectineal arch (lateral two- thirds of the inguinal ligament)
  2. Insertion on the inferior borders of 10th–12th ribs, linea alba
  3. Origin on the inner surfaces of 7th– 12th ribs
  4. Insertion on the xiphoid process and 7th– 12th costal cartilages
  5. Origin on the external surfaces of 7th– 12th ribs

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a. Origin on the thoracolumbar fascia, anterior two thirds of iliac crest, iliopectineal arch (lateral two- thirds of the inguinal ligament)

b. Insertion on the inferior borders of 10th–12th ribs, linea alba 

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