Flexor Pollicis Brevis
Flexes thumb. Located in the upper limb.
- Actions
- flexes thumb
- Origin
- trapezoid, flexor retinaculum
- Insertion
- thumb, proximal phalanx
- Innervation
- median nerve, deep branch of ulnar nerve (medial head)
- Blood supply
- superficial palmar arch
Antagonists Extensor Pollicis LongusExtensor Pollicis Brevis