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Muscles of the Anterior Abdominal Wall
OINA's according to Dr. Pierson at SIUC
16
Anatomy
Post-Graduate
10/27/2010

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Cards

Term
Origin of External Oblique
Definition
External surfaces of 5th-12th ribs
Term
Insertion of External Oblique
Definition
Linea alba, pubic tubercle, and anterior half of iliac crest
Term
Innervation of External Oblique
Definition
Inferior six thoracic nerves and subcostal nerves
Term
Action of External Oblique
Definition
Compress and support abdominal viscera, flex and rotate the trunk
Term
Origin of Internal Oblique
Definition
Thoracolumbar fascia, anterior two-thirds of the iliac crest, and lateral half of inguinal ligament
Term
Insertion of Internal Oblique
Definition
Inferior borders of the 10th-12th ribs, linea alba, and pectin pubis via the conjoint ligament
Term
Innervation of Internal Oblique
Definition
Ventral rami of inferior 6 thoracic nerves and first lumbar nerves
Term
Action of Internal Oblique
Definition
Compress and support abdominal viscera, flex and rotate the trunk
Term
Origin of Transverse Abdominis
Definition
Internal surfaces of 7th-12th costal cartilages, thoracolumbar fascia, iliac crest, and lateral third of inguinal ligament
Term
Insertion of Transverse Abdominis
Definition
Linea alba with aponeurosis of internal oblique, pubic crest, and pectin pubis via the conjoint ligament
Term
Innervation of Transverse Abdominis
Definition
Ventral rami of inferior 6 thoracic nerves and first lumbar nerves
Term
Action of Transverse Abdominis
Definition
Compress and supports abdominal viscera
Term
Origin of Rectus Abdominis
Definition
Pubic symphysis and pubic crest
Term
Insertion of Rectus Abdominis
Definition
Xiphoid process and 5th-7th costal cartilages
Term
Innervation of Rectus Abdominis
Definition
Ventral rami of inferior thoracic nerves
Term
Action of Rectus Abdominis
Definition
Flexes trunk an compresses abdominal viscera
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