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External Oblique

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Origin

  • Ribs 5-12 (external surfaces)

Insertion

  • Linea Alba
  • Pubic Tubercle
  • Iliac Crest (Anterior 1/2)

Actions

  • Bilateral contraction - Trunk flexion, expiration
  • Unilateral contraction - Trunk lateral flexion (ipsilateral) and rotation (contralateral)

Vascular Supply

  • Posterior Intercostal Arteries
  • Subcostal Arteries
  • Deep Circumflex Iliac Arteries

Nerve

  • Intercostal Nerves (T7-T11)
  • Subcostal Nerve (T12)
  • Iliohypogastric Nerve (L1)

Clinical Significance


See Also


References


Created by:
Chris Hauglid on 27 June 2020 20:37:15
Authors:
Last edited:
27 June 2020 20:37:15
Category: