Dysdiadochokinesis
November 16th, 2019
Overview
Dysdiadochokinesis is the inability to perform rapidly alternating contractions of agonist and antagonist muscles.
How to Elicit
- Ask the patient to place one hand in the palm of the other hand. Demonstrate rapidly flipping (pronation and supination) of the hand, asking for them to mimic this movement.
Abnormal If
- Inability to rapidly alternate movements.
Significance
- Indicative of cerebellar disease due to ischaemia, haemorrhage, tumour or multiple sclerosis.
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