Chaddock, Charles G.(redirected from external malleolar sign)
Chaddock,Charles G., U.S. neurologist, 1861-1936.
Chaddock reflex - Synonym(s): Chaddock sign
Chaddock sign - when the external malleolar skin area is irritated, extension of the great toe occurs in cases of organic disease of the corticospinal reflex paths. Synonym(s): Chaddock reflex; external malleolar sign