muscle: extensor pollicis brevis

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Muskeln Übersichtskarte Brachialis Brachioradialis Extensor carpi radialis longus Extensor carpi radialis brevis Abductor pollicis longus Extensor pollicis brevis Extensor pollicis longus Trizeps Anconeus Extensor carpi ulnaris Extensor_digitorum communis Abductor pollicis longus Extensor pollicis longus Extensor digiti minimi Extensor pollicis brevis Extensor indicis (profundus) Extensor indicis (profundus) Extensor digitorum communis Flexor carpi_ulnaris Flexor digitorum profundus Abductor digiti minimi Interossei dorsales Hand Adduktor pollicis Supinator

M. extensor pollicis brevis

thumb extensor and abductor originating in the forearm
Origin: facies dorsalis radii, interosseous membrane, ulna
Attachment: proximal phalanx of the thumb
Antagonists:
Movement: Extension of the thumb to the proximal phalanx and involvement in abduction in the metacarpophalangeal joint of the thumb