Ana3D

left quadratus lumborum muscle

Muscular

3D model: left quadratus lumborum muscle
left quadratus lumborum 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 2 atlases

Definition

muscle in the lower back

Source: Wikidata · Licence: CC0-1.0

Description from Wikidata (https://www.wikidata.org/), available under CC0 1.0 (https://creativecommons.org/publicdomain/zero/1.0/).

Relations

Origin
iliac crest, left iliolumbar ligament
Insertion
rib, lumbar vertebra
Action
extension of the torso, lateral flexion of the torso
Innervation
thoracic nerves, lumbar nerves, subcostal nerve

Practice questions

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Wikipedia (English)