Chaddock reflex

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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.[1]


  1. ^ Goetz CG (2002). "History of the extensor plantar response: Babinski and Chaddock signs". Seminars in neurology 22 (4): 391–8. doi:10.1055/s-2002-36761. PMID 12539060.