extensor indicis muscle

(redirected from index extensor muscle)

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.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012