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Characterisation of the Clothespin Relocation Test as a functional assessment tool
Peter Kyberd1,2, Ali Hussaini2, Ghislain Maillet2
1Department of Engineering Science, Faculty of Engineering and Science, University of Greenwich, Chatham Maritime, UK.
Summary
The Clothespin Relocation Test, adapted for hand function measurement, shows potential for assessing arm movement performance. Initial psychometric properties were investigated in an able-bodied population.
Area of Science:
- Rehabilitation Medicine
- Neuroscience
- Biomechanics
Background:
- The Clothespin Relocation Test (CRT) is an adapted arm training tool.
- Measuring hand function requires validated instruments with established psychometric properties.
Purpose of the Study:
- To investigate the psychometric properties of the CRT in an able-bodied population.
- To understand the statistical properties of the CRT for future comparisons with different subject groups.
Main Methods:
- Fifty able-bodied adults (29 males, 21 females, mean age 31) performed five runs of the CRT.
- The test involves moving three clothespins between a horizontal and vertical bar.
- Ten subjects participated in repeat testing sessions to assess repeatability.
Main Results:
- Observed times ranged from 2.5 to 7.37 seconds, indicating a non-Gaussian distribution.
- Mean time for the 'Up' movement was 4.1s and for the 'Down' movement was 4.0s.
- A slight, non-significant increase in speed was noted over three sessions.
Conclusions:
- The Clothespin Relocation Test demonstrates potential as a valid measure for arm movement performance.
- Further psychometric validation is warranted for clinical application.
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