Extensor Pollicis Brevis
Extensor Pollicis Brevis
☆extensor pollicis brevis
MusclePro
Anatomy
- Origin
Dorsal surface of radius, adjacent part of interosseous membrane.
- Insertion
Base of proximal phalanx of thumb.
- Nerve
Radial nerve (C7, C8).
- Actions
Extends thumb, abducts hand.
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