Chaddock Reflex Assessment

**Semantic type:** Diagnostic Procedure

**Definition:** An assessment of an involuntary response characterized by dorsiflexion of digit 1 when the lateral malleolus is stimulated. Alternatively, this can also be assessed on the forelimb by stimulating the ulnar surface.

**Synonyms:** - CHADRFX - Chaddock Reflex - Chaddock Reflex