◔
Abductor Pollicis Brevis
From WikiMSK
This article is a stub.
| Abductor Pollicis Brevis | |
|---|---|
| Muscle Type | |
| Origin | Flexor retinaculum, scaphoid, and trapezium tubercles |
| Insertion | Base of the first proximal phalanx, radial aspect |
| Action | Thumb Abduction |
| Synergists | Abductor Pollicis Longus, Palmaris Longus, Extensor Pollicis Brevis, Opponens Pollicis |
| Antagonists | |
| Spinal innervation | C8, T1 |
| Peripheral Innervation | Median Nerve |
| Vasculature | |
Palpation
Along the anterior surface of the shaft of the first metacarpal
}}
