Movements Mimicking Myoclonus Associated with Spinal Cord Pathology: Is this a "Pure Motor Restless Legs Syndrome"?

Movements Mimicking Myoclonus Associated with Spinal Cord Pathology: Is this a "Pure Motor Restless Legs Syndrome"?

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Background: The neuroanatomic substrate body scrub of restless legs syndrome (RLS) is poorly understood, and the diagnosis is clinically made based upon subjective sensory symptoms, although a motor component is usually present.Case Report: We report two cases of elderly patients with spinal pathology who were referred by neurologists for myoclonus.Both had semi-rhythmic leg movements that partially improved while standing, but denied any urge to move.These movements improved dramatically with pramipexole, a dopamine agonist used for RLS.

Discussion: We propose that this “myoclonus” is actually the isolated stereotypic motor Footcare Health component of RLS.