Abstract
Tremor (together with tics and restless legs syndrome) the most common involuntary movement. It can be a source of serious disability and irrelevant epiphenomenon within a broad symptomatology.
Tremor occurs either as an isolated, single symptom of the disease, or as part of comprehensive clinical picture. Is a manifestation of primary central nervous system disorders, secondary disabilities within the internal manifestations of the disease and side effects of drug therapy.
Tremor is defined as a continuous rhythmic involuntary movement made up of regular oscillations of the affected body part.