Extensor pollicis brevis
From WikiMD's Food, Medicine & Wellness Encyclopedia
Extensor pollicis brevis is a skeletal muscle that originates at radius Inserts to thumb, proximal phalanx, and is supplied by (artery, nerve) and actions include posterior interosseous artery posterior interosseous nerve (C7, C8) extension of thumb at metacarpophalangeal joint
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Contributors: Prab R. Tumpati, MD
