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inability to perform fine, rapidly repeated, coordinated movements.
adiadochokinesia/adi·a·do·cho·ki·ne·sia/ (ah-di″ah-do″ko-kĭ-ne´zhah) a dyskinesia consisting of inability to perform the rapid alternating movements of diadochokinesia.
an inability to perform rapidly alternating movements, such as pronation and supination or flexion and extension. The activity is commonly included in a neurological examination.
AdiadochokinesisAn impairment of the force and rhythm of voluntarily performed rapid alternating movements of one or more extremities, which occurs in cerebellar disease, and may be detected during a neurologic exam.
adiadochokinesiaNeurology Inability to perform rapid alternating movements of one or more extremity
Inability to perform rapid alternating movements, a sign of cerebellar dysfunction.
[G. a- priv. + diadochos, successive, + kinēsis, movement]