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left psoas major

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

In 4 atlases

Definition

long fusiform muscle located in the lumbar region

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: twelfth thoracic vertebra, first lumbar vertebra, second lumbar vertebra, third lumbar vertebra, fourth lumbar vertebra, fifth lumbar vertebra
Insertion: lesser trochanter
Action: flexion of the hip joint, medially rotating the hip joint, flexion of the torso
Innervation: Anterior ramus of first lumbar nerve, Anterior ramus of second lumbar nerve, Anterior ramus of third lumbar nerve

Neighbouring structures

right psoas major

Practice questions

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Wikipedia (English)

Identifiers

FMA: 22343
Wikidata: Q66514410