Chaddock reflex is a diagnostic reflex similar to the Babinski reflex. It is designed to identify lesions of the pyramidal tract, via stimulation of the skin over the lateral malleolus. It was identified by Charles Gilbert Chaddock in 1911. ... Found on http://en.wikipedia.org/wiki/Chaddock_reflex
Synonym for Chaddock sign ... <clinical 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: Chaddock reflex, external malleolar sign. ... (05 Mar 2000) ... Found on http://www.encyclo.co.uk/local/20973
in lesions of the pyramidal tract, stimulation below the external malleolus causes extension of the great toe; called also Chaddock sign. Found on http://www.encyclo.co.uk/local/21001