psoas major
Musculus psoas major
In 5 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
Parts in this atlas
Neighbouring structures
Practice questions
Read more
Identifiers
- TA2
- 2595
- TA98
- A04.7.02.004
- FMA
- 18060
- UBERON
- 0001298
- Wikidata
- Q1550323