Incoordination of voluntary movements that occur as a manifestation of cerebellar diseases. Characteristic features include a tendency for limb movements to overshoot or undershoot a target (dysmetria), a tremor that occurs during attempted movements (intention tremor), impaired force and rhythm of diadochokinesis (rapidly alternating movements), and gait ataxia. (From Adams et al., Principles of neurology, 6th ed, p90)


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