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The Jacket Test for assessing people with chronic stroke.

Peiming Chen1, Claudia K Y Lai2, Raymond C K Chung1

  • 1a Department of Rehabilitation Sciences , The Hong Kong Polytechnic University , Hong Kong , China (SAR).

Disability and Rehabilitation
|October 30, 2016
PubMed
Summary
This summary is machine-generated.

The Jacket Test demonstrates excellent reliability and validity for assessing upper extremity function in chronic stroke survivors. Its completion times correlate with motor impairments and can effectively distinguish stroke patients from healthy adults.

Keywords:
Strokerehabilitationupper extremity

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Area of Science:

  • Rehabilitation Medicine
  • Neurology
  • Clinical Biomechanics

Background:

  • Upper extremity (UE) dysfunction is a common and significant impairment following stroke.
  • Accurate and reliable assessment tools are crucial for monitoring recovery and guiding rehabilitation strategies.
  • The Jacket Test is a novel measure proposed for evaluating UE function in stroke patients.

Purpose of the Study:

  • To assess the intra-rater, inter-rater, and test-retest reliability of the Jacket Test in individuals with chronic stroke.
  • To determine the correlation between Jacket Test completion times and stroke-specific impairments.
  • To establish an optimal cutoff time for the Jacket Test to differentiate individuals with stroke from healthy older adults.

Main Methods:

  • A cross-sectional study involving 28 individuals with chronic stroke and 30 healthy older adults.
  • Measurement of Jacket Test completion times alongside established clinical assessments: Fugl-Meyer Upper Extremity (FMA-UE) score, hand grip strength, 5-times Sit-to-stand test, Berg Balance Scale, timed "up and go" test, and Community Integration Measure.
  • Statistical analysis to evaluate reliability (Intraclass Correlation Coefficient) and correlations (Pearson or Spearman correlation coefficients).

Main Results:

  • The Jacket Test exhibited excellent reliability across all measures (ICC = 0.781–1.000).
  • Jacket Test times for the unaffected side correlated significantly with FMA-UE scores, affected hand grip strength, Berg Balance Scale scores, timed "up and go" test times, and Community Integration Measure scores.
  • Optimal cutoff times of 18.33s (affected side) and 18.38s (unaffected side) demonstrated high sensitivity (96.7%) and specificity (85.7%–96.4%) in discriminating stroke survivors from healthy controls.

Conclusions:

  • The Jacket Test is a reliable and valid clinical tool for assessing upper extremity function in individuals with chronic stroke.
  • Jacket Test completion times are strongly associated with motor impairments and functional outcomes post-stroke.
  • The established cutoff times provide a valuable benchmark for differentiating stroke patients from healthy individuals in clinical settings.