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A 55-year-old man with a 4 1/2-year history of paroxysmal bouts of involuntary large-amplitude flexion jerks of the trunk and a 1-year history of persistent rhythmic small-amplitude movements of the anterior abdominal wall is described. Clinical and electrophysiological evidence suggested that the paroxysmal myoclonus arose in propriospinal systems intrinsic to the spinal cord.

Original publication

DOI

10.1002/mds.870060108

Type

Journal article

Journal

Mov Disord

Publication Date

1991

Volume

6

Pages

43 - 48

Keywords

Cerebral Cortex, Electroencephalography, Electromyography, Evoked Potentials, Somatosensory, Humans, Male, Middle Aged, Muscle Contraction, Muscles, Myoclonus, Signal Processing, Computer-Assisted, Spasm, Spinal Cord, Spinal Nerve Roots, Tibial Nerve