left external oblique

Muscular

3D model: left external oblique
left external oblique
3D models: BodyParts3D, © The Database Center for Life Science licensed under CC Attribution 4.0 International

In 4 atlases

Definition

The lateral abdominal wall muscle that is the most superficial, immediately superficial to the internal oblique.

Source: UBERON · Licence: CC-BY-3.0

Definition from the Uberon multi-species anatomy ontology (Mungall CJ et al., Genome Biology 2012, 13:R5), https://obophenotype.github.io/uberon/, licensed under CC BY 3.0 (https://creativecommons.org/licenses/by/3.0/).

Relations

Insertion
iliac crest, pubic tubercle, linea alba
Action
flexion of the torso, rotation of the torso, lateral flexion of the torso, raising intra-abdominal pressure, exhalation
Innervation
seventh intercostal nerve, eighth intercostal nerve, ninth intercostal nerve, tenth intercostal nerve, eleventh intercostal nerve, subcostal nerve

The 3D model shows 6 origin and insertion areas of this muscle.

Neighbouring structures

Practice questions

Read more

Wikipedia (English)

Identifiers

FMA
13337
Wikidata
Q66508032