Back عضلة قصيرة مبعدة لإبهام اليد Arabic Múscul abductor curt del polze Catalan Musculus abductor pollicis brevis German Músculo abductor corto del pulgar Spanish ماهیچه کوتاه دورکننده شست دست Persian Muscle court abducteur du pouce French Músculo abdutor curto do polgar Galician השריר מצדיד האגודל הקצר HE Kratki odmicač palca Croatian Rövid hüvelykujj-távolító izom Hungarian
| Abductor pollicis brevis muscle | |
|---|---|
 Superficial muscles of the left hand, palmar view | |
| Details | |
| Origin | Transverse carpal ligament, the scaphoid and trapezium[1] |
| Insertion | Base of the proximal phalanx of thumb |
| Artery | Superficial palmar arch |
| Nerve | Recurrent branch of the median nerve |
| Actions | Abduction of the thumb by acting across the carpometacarpal joint and the metacarpophalangeal joint. It also assists in opposition and extension of the thumb. |
| Antagonist | Adductor pollicis muscle |
| Identifiers | |
| Latin | musculus abductor pollicis brevis |
| TA98 | A04.6.02.054 |
| TA2 | 2521 |
| FMA | 37373 |
| Anatomical terms of muscle | |
The abductor pollicis brevis is a muscle in the hand that functions as an abductor of the thumb.