Orthostatic Tremor

  • Roongroj Bhidayasiri
  • Daniel Tarsy
Part of the Current Clinical Neurology book series (CCNEU)


Orthostatic tremor is a high frequency 14–16 Hz tremor of the legs which occurs nearly exclusively while standing and predominantly involves the lower extremities and trunk. Patients usually report unsteadiness but may also experience leg muscle cramps and have a strong need to walk, sit, or lie down to gain relief. The tremor is usually visible but is sometimes more readily palpable in the legs. The tremor may also appear with isometric contraction of upper limbs, jaw, and facial muscles. There is a high incidence of familial postural tremor among patients with orthostatic tremor, but its relationship to essential tremor is uncertain.


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Supplementary material

Orthostatic tremor.mp4 (MP4 7,646KB)

The patient exhibits high-frequency, irregular tremor of her thighs while standing which disappears while walking and reappears again while standing.


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    Gabellini AS, Martinelli P, Gulli MR, et al. Orthostatic tremor: essential and symptomatic cases. Acta Neurol Scand. 1990;81:113–7.PubMedCrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 2012

Authors and Affiliations

  • Roongroj Bhidayasiri
    • 1
    • 2
  • Daniel Tarsy
    • 3
  1. 1.Chulalongkorn Center of Excellence on Parkinson’s Disease and Related DisordersChulalongkorn University HospitalBangkokThailand
  2. 2.Department of NeurologyDavid Geffen School of Medicine at UCLALos AngelesUSA
  3. 3.Department of NeurologyHarvard Medical School Beth Israel Deaconess Medical CenterBostonUSA

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