Extensor indicis
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Extends 2nd digit (enabling its independent extension). Helps extend hand at wrist.
extensor indicis action
Posterior surface of distal 1/3 of ulna and interosseous membrane
extensor indicis origin
Posterior interosseous Nn. (C7, C8), continuous branch of Radial Nerve's deep branch.
innervation of extensor indicis
Extensor expansion of 2nd digit
insertion of extensor indicis
