Warning: Trying to access array offset on value of type null in /sites/www/tmanatomy/wp-content/themes/teachme2019/template-encyclopedia.php on line 15

Warning: Trying to access array offset on value of type null in /sites/www/tmanatomy/wp-content/themes/teachme2019/template-encyclopedia.php on line 16

External Oblique

Not yet rated
based on ratings

Original Author(s): Aren Mnatzakanian
Last updated: January 2, 2023
Revisions: 3

Original Author(s): Aren Mnatzakanian
Last updated: January 2, 2023
Revisions: 3

format_list_bulletedContents add remove
 

The external oblique is a muscle of the anterior abdominal wall. It is the largest and most superficial of the flat abdominal wall muscles.

  • Attachments: Originates from ribs 5-12 and inserts onto the iliac crest and pubic tubercle.
  • Actions: Contralateral rotation of the torso.
  • Innervation: Thoracoabdominal nerves (T7-T11) and subcostal nerve (T12).
  • Blood supply: Lower posterior intercostal arteries, subcostal artery, deep circumflex iliac artery.

    Fig 1 – Lateral view of the abdominal wall. The external oblique and its aponeurotic fibres are visible.


Warning: Undefined variable $woocommerceActive in /sites/www/tmanatomy/wp-content/themes/teachme2019/template-encyclopedia.php on line 174