Cooling improves the writing performance of patients with writer's cramp

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Abstract
Cooling of hand and forearm muscles by immersion in 15°C cold water for 5 minutes improved the writing performance of patients with writer's cramp. Since abnormal processing of muscle spindle afferent discharges contributes to the pathology of writer's cramp, this effect might result from a reduction in muscle spindle activity by lowering muscle temperature. Cooling is a simple, cheap, and safe procedure, providing temporary relief for patients with writer's cramp. © 2002 Movement Disorder Society