Ana3D

left internal abdominal oblique muscle

Muscular

3D model: left internal abdominal oblique muscle
left internal abdominal oblique muscle
3D models: Z-Anatomy - The libre 3D atlas of anatomy - CC-BY-SA 4.0 (https://github.com/Z-Anatomy/Models-of-human-anatomy), by Gauthier Kervyn and contributors; derived from BodyParts3D - The Database Center for Life Science - CC-BY-SA 2.1 Japan; Z-Anatomy states that models "Brainder" (A. Winkler, CC BY-SA 3.0) and "Cranial Nerves and Foramina" (University of Dundee, CAHID, CC BY 4.0) were used as reference/included and adapted. Converted to compressed glTF (curves as tubes, simplified, inner ear and kidney models left out) by the 3D Anatomy project; licensed under CC BY-SA 4.0 (https://creativecommons.org/licenses/by-sa/4.0/).

In 1 atlas

Definition

The lateral abdominal wall muscle that is deep to the external oblique and superficial to the transversus.

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

Action
flexion of the torso, rotation of the torso, lateral flexion of the torso, raising intra-abdominal pressure, exhalation
Innervation
tenth intercostal nerve, eleventh intercostal nerve, subcostal nerve, sixth intercostal nerve, seventh intercostal nerve, eighth intercostal nerve, Anterior ramus of first lumbar nerve, left iliohypogastric nerve, left ilio-inguinal nerve
Arterial supply
left subcostal artery

The 3D model shows 5 origin and insertion areas of this muscle.

Neighbouring structures

Practice questions

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Wikipedia (English)