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|Noun||1.||motor ataxia - inability to coordinate voluntary muscle movements; unsteady movements and staggering gait|
Friedreich's ataxia, herediatry spinal ataxia - sclerosis of the posterior and lateral columns of the spinal cord; characterized by muscular weakness and abnormal gait; occurs in children
hereditary cerebellar ataxia - nervous disorder of late childhood and early adulthood; characterized by ataxic gait and hesitating or explosive speech and nystagmus
spinocerebellar disorder - any of several congenital disorders marked by degeneration of the cerebellum and spinal cord resulting in spasticity and ataxia