Phenotypes and Genotypes of Patients with Pantothenate Kinase-Associated Neurodegeneration in Asian and Caucasian Populations: 2 Cases and Literature Review
(a) Surface electromyography recording on a distal part of the arm at rest showed alternating rhythmic bursts at a frequency of 5-6 Hz. (b) Surface electromyography recording on a proximal part of the arm during outstretching showed short-duration, large amplitude arrhythmic bursts, mostly due to synchronous activities.
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