Research Article

Phenotypes and Genotypes of Patients with Pantothenate Kinase-Associated Neurodegeneration in Asian and Caucasian Populations: 2 Cases and Literature Review

Figure 2

(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.
860539.fig.002a
(a)  Resting
860539.fig.002b
(b) Outstretched