External Oblique Muscle Flashcards

Flashcards are a great way to memorise information about the external oblique muscle. Test your knowledge of anatomy using the external oblique flashcards below.

Press a flash card to reveal the answer.


External surfaces of the fifth to twelfth ribs


Linea alba, iliac crest, pubic crest & pubic tubercle


  • Lateral flexion of the trunk (unilateral contraction)
  • Rotation of the trunk (unilateral contraction)
  • Flexion of the trunk (bilateral contraction)
  • Assistive in forced expiration


  • Intercostal nerves (T8-T11)
  • Subcostal nerve (T12)

Blood Supply

  • Lower posterior intercostal artery
  • Subcostal artery
  • Deep circumflex iliac artery
  • Superior and inferior epigastric arteries
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Would you like to learn more about the external oblique muscle? Then check out the external oblique muscle article and video by clicking the link below:
External Oblique Muscle Anatomy

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