Extensor Indicis
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Extensor Indicis origin
dorsal surface of ulna shaft, interosseous membrane
Extensor Indicis actions - hand
extension of MP, IP joints of index finger
Extensor Indicis actions - wrist joint
extension of wrist joint with continued action
Extensor Indicis insertion
joins ulnar side of 1st extensor digitorum tendon to 2nd digit and extensor hood
Extensor Indicis innervation
radial nerve (C7-C8)