external oblique

Musculus obliquus externus abdominis

Muscular

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

In 4 atlases

Adult male (BodyParts3D)
Abdomen (SPL atlas)
Male torso and inner organs (Voxel-Man, Visible Human)
Adult male, detailed (Z-Anatomy)

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

Parts in this atlas

right external oblique
left external oblique

Practice questions

Wikipedia (English)

Identifiers

TA2: 2364
TA98: A04.5.01.008
FMA: 13335
UBERON: 0005442
Wikidata: Q746123