The pull test

A history

Ann L. Hunt, Kapil Dev Sethi

Research output: Contribution to journalReview article

40 Citations (Scopus)

Abstract

The pull test (PT) is used as a measure of postural instability in Parkinson's disease (PD) and other movement disorders. In 1987, it was incorporated into the Unified Parkinson's Disease Rating Scale (UPDRS), a scale used to measure the severity and treatment response in PD both in research studies and in clinical practice. However, the origins of the observation of postural instability in movement disorders and the attempt to quantify it are much older. Here, we trace the history of postural instability first described as a feature of PD by Romberg in 1853. Attempts to evaluate postural instability began with the first measurement by Charcot in the 1880s by pulling the clothes of patients and progressed to the push on the sternum by Hoehn and Yahr in the 1960s. Eventually, this evolved into the formal PT proposed by Fahn in the 1980s. Despite the widespread use of the PT as part of the UPDRS, variability exists in its execution. Recommendations have been made for training of examiners in clinical trials to improve its accuracy in assessing postural instability. We agree with improving PT technique for clinical trials and advocate for its routine use in clinical practice when diagnosing and treating movement disorders. Further, we propose the name "Fahn pull test" for the maneuver based on his significant contribution to its development.

Original languageEnglish (US)
Pages (from-to)894-899
Number of pages6
JournalMovement Disorders
Volume21
Issue number7
DOIs
StatePublished - Jul 1 2006

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Parkinson Disease
History
Movement Disorders
Clinical Trials
Sternum
Clothing
Names
Observation
Research
Therapeutics

Keywords

  • Parkinson's disease
  • Postural instability
  • Pull test
  • Unified Parkinson's Disease Rating Scale

ASJC Scopus subject areas

  • Neurology
  • Clinical Neurology

Cite this

Hunt, A. L., & Sethi, K. D. (2006). The pull test: A history. Movement Disorders, 21(7), 894-899. https://doi.org/10.1002/mds.20925

The pull test : A history. / Hunt, Ann L.; Sethi, Kapil Dev.

In: Movement Disorders, Vol. 21, No. 7, 01.07.2006, p. 894-899.

Research output: Contribution to journalReview article

Hunt, AL & Sethi, KD 2006, 'The pull test: A history', Movement Disorders, vol. 21, no. 7, pp. 894-899. https://doi.org/10.1002/mds.20925
Hunt, Ann L. ; Sethi, Kapil Dev. / The pull test : A history. In: Movement Disorders. 2006 ; Vol. 21, No. 7. pp. 894-899.
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