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The pull test: a history.

Ann L Hunt1, Kapil D Sethi

  • 1Department of Neurology, Beth Israel Medical Center, New York, New York 10003, USA. ahunt@chp.net.org

Movement Disorders : Official Journal of the Movement Disorder Society
|May 11, 2006
PubMed
Summary
This summary is machine-generated.

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The pull test (PT) quantifies postural instability in Parkinson's disease (PD). This historical review traces the PT

Area of Science:

  • Neurology
  • Movement Disorders
  • Clinical Assessment

Background:

  • Postural instability is a key feature of Parkinson's disease (PD).
  • The pull test (PT) is a standard measure for postural instability in PD.
  • The PT was integrated into the Unified Parkinson's Disease Rating Scale (UPDRS) in 1987.

Observation:

  • Postural instability in PD was described by Romberg in 1853.
  • Early attempts to quantify instability include Charcot's (1880s) and Hoehn and Yahr's (1960s) methods.
  • The formal PT was proposed by Fahn in the 1980s.

Findings:

  • The PT's origins trace back to the 19th century.
  • Evolution from qualitative observations to standardized quantitative measures.
  • Significant contribution of Fahn to the development of the modern PT.

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Implications:

  • Standardized PT execution is crucial for accurate assessment in clinical trials.
  • Routine use of the PT in clinical practice is advocated for diagnosing and treating movement disorders.
  • Proposing the "Fahn pull test" to acknowledge its developmental contribution.