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Keywords:

  • myoclonus;
  • long thoracic nerve;
  • scapula;
  • rehabilitation

Abstract

We describe a patient who presented myoclonus in the left scapula 3 months after a traumatic lesion of the left long thoracic nerve. Myoclonic activity was recorded as pseudorhythmic electromyographic bursts repeated at a frequency of 2 to 4 Hz, each lasting between 100 and 200 msec, in the left serratus–dorsalis muscle region, trapezius, and deltoid muscles. A combination of peripheral and central mechanisms may have induced the myoclonus in this case. © 2005 Movement Disorder Society