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2256 pages added, reviewed or updated during the last month (last updated: 21/4/2021)


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tremor

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Tremor is an unintentional, rhythmic, oscilatory muscle movement involving one or more parts of the body (1)

  • it is the most common of all involuntary movements
  • most tremors occur in the hands
  • some times it is a symptom of another neurological disorder

Characteristics of tremors may include (1):

  • shaking in the hands, arms, head, legs, or trunk
  • shaky voice
  • difficulty writing or drawing
  • problems holding and controlling utensils, such as a fork.

Tremor can be described on the basis of the circumstances under which it occurs:

  • rest tremor
  • postural tremor
  • intention tremor
  • on posture and movement

Tremor is most commonly classified by clinical features and cause:

  • essential tremor
  • cerebellar tremor
  • parkinsonian tremor
  • physiological tremor (also called hysterical tremor)
  • dystonic tremor
  • orthostatic tremor

Reference:

Last reviewed 01/2018

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