extensor pollicis brevis
Musculus extensor pollicis brevis
In 3 atlases
Definition
muscle of the upper limb
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
- posterior surface of ulna, posterior surface of radius, interosseous membrane of forearm
- Insertion
- proximal phalanx of thumb
- Action
- extension of the wrist joint, extension of the thumb, abduction of the thumb
- Innervation
- nerve to extensor pollicis brevis
Sub-structures
Neighbouring structures
Practice questions
Read more
Identifiers
- TA2
- 2518
- TA98
- A04.6.02.050
- FMA
- 38518
- UBERON
- 0017618
- Wikidata
- Q901116