Espiral AtlasExtensor pollicis brevis
musculus extensor pollicis brevis
Extends the proximal phalanx of the thumb at the metacarpophalangeal joint; extends the carpometacarpal joint.
In the full entry
The full entry, with every field, sources, quiz and clinical correlations, is in the atlas.
- Origin
- Insertion
- Innervation
- Blood supply
Related clinical cases
- Tenosynovitis; De Quervain; trigger finger