Flexor pollicis brevis muscle
The flexor pollicis brevis is a muscle in the hand that flexes the thumb. It is one of three thenar muscles. It has both a superficial part and a deep part.
| Flexor pollicis brevis muscle | |
|---|---|
Superficial muscles of the left hand, palmar view. | |
| Details | |
| Origin | trapezium, flexor retinaculum |
| Insertion | thumb, proximal phalanx |
| Artery | Superficial palmar arch |
| Nerve | Recurrent branch of the median nerve, deep branch of ulnar nerve (medial head) |
| Actions | Flexes the thumb at the first metacarpophalangeal joint |
| Antagonist | Extensor pollicis longus and brevis |
| Identifiers | |
| Latin | musculus flexor pollicis brevis |
| TA98 | A04.6.02.055 |
| TA2 | 2522 |
| FMA | 37378 |
| Anatomical terms of muscle | |
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