extensor indicis muscle


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ex·ten·sor in·di·cis mus·cle

(eks-ten'sŏr in'di-sis mŭs'ĕl)
Origin, dorsal surface of ulna; insertion, dorsal extensor aponeurosis of index finger; action, assists in extending the forefinger; nerve supply, radial.
Synonym(s): musculus extensor indicis [TA] , index extensor muscle.
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References in periodicals archive ?
An 89-year-old male had a double tendon of the extensor indicis muscle bilaterally.
A variant extensor indicis muscle and the branching pattern of the deep radial nerve could explain hand functionality and clinical symptoms in the living patient

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