Highlights
- •A standardized illustrated manual in Portuguese was provided.
- •The Brazilian version of the Jebsen Taylor Hand Function test is reliable.
- •Normative values for a Brazilian sample are now available for further comparison, both in clinical practice and research.
Abstract
Study Design
This is an observational cross-sectional study.
Background
To assess dexterity and hand function, it is important to use validated performance-based
outcome measures, such as the Jebsen Taylor Hand Function test (JTHFT). There is no
previous study that has used this test in asymptomatic individuals to establish normal
values for the Brazilian population, or to assess its reliability.
Purpose
The first aim of the study was to provide a standardized illustrated manual of the
Brazilian version of the JTHFT. The second aim was to evaluate JTHFT test-retest reliability
in asymptomatic adults, and the third aim was to determine normative values.
Methods
This study consists of 236 individuals aged 18-60 years, of both sexes, asymptomatic
for pain or injury in the upper limbs. An illustrated manual of instructions was developed
in Portuguese, test-retest reliability was assessed by determining the intraclass
correlation coefficient (ICC), and to evaluate the average of the correlations between
the items, the Cronbach Alpha coefficient was used. The standard error of measurements
of the test and retest of the JTHFT subtasks was also performed.
Results
The Cronbach Alpha coefficient, resulted in acceptable average values 0.75 for the
dominant hand and 0.76 for the nondominant hand. JTHFT subtests reveal moderate to
excellent test-retest reliability, varying from 0.53, 95% CI: 0.39-0.64; to 0.93,
95% CI: 0.91-0.95 for the dominant hand, and for the nondominant hand 0.66, 95%: 0.57-0.74;
to 0.92, 95% CI: 0.90-0.94.
Conclusion
JTHFT is reliable for a Brazilian sample in terms of test-retest measures and can
be used both in research and in clinical practice. A standardized illustrated manual
of application was provided.
Keywords
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Article info
Publication history
Published online: September 19, 2022
Accepted:
July 1,
2022
Received in revised form:
May 9,
2022
Received:
May 10,
2021
Publication stage
In Press Corrected ProofIdentification
Copyright
© 2022 Published by Elsevier Inc.
