Ankle clonus

Ankle clonus is an abnormal reflex response where the foot and ankle repeatedly spasm. The ankle does not spasm randomly, but this sign can be elicited in response to dorsiflexion of the foot, if the abnormality exists. Hence, ankle clonus seems somewhat misnamed, as it is more of an abnormal ...

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Summary: Clonus is an involuntary tendon reflex that causes repeated flexion and extension of the foot. Ankle clonus is tested by rapidly flexing the foot upward. ...1,2

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Causes of ankle clonus include:

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Causes List for Ankle clonus

Possible causes of Ankle clonus (or similar symptoms) may include:3

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  1. [from HPO]
  2. Source: GTR (NCBI/NIH): gtr/ conditions/ C0238651/ 
  3. Source: Algorithmically Generated List

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