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Clinical evaluation of the refined clothespin relocation test: A pilot study
Ali Hussaini1,2, Wendy Hill2, Peter Kyberd3
1University of New Brunswick, Fredericton, NB, Canada.
Prosthetics and Orthotics International
|July 3, 2019
Summary
The refined clothespin relocation test effectively distinguishes prosthesis users from able-bodied individuals by measuring compensatory movements and task completion time. This adapted test shows potential as a clinical tool for assessing prosthesis user performance.
Area of Science:
- Biomedical Engineering
- Rehabilitation Science
- Clinical Biomechanics
Background:
- The refined clothespin relocation test (rCRT) originally assessed prosthesis user performance in a lab setting.
- Adaptation of the rCRT for clinical use requires validation against able-bodied individuals.
- Evaluating compensatory motions and task completion time are key metrics for prosthesis efficacy.
Purpose of the Study:
- To modify the refined clothespin relocation test for clinical application.
- To determine if the adapted rCRT can differentiate between able-bodied individuals and prosthesis users.
- To establish the rCRT's potential as a clinical assessment tool.
Main Methods:
- Comparative analysis of the adapted refined clothespin relocation test protocol.
- Inclusion of 42 able-bodied subjects and 3 prosthesis users.
- Statistical comparison of rCRT scores (compensatory movements and time) using the Mann-Whitney U-test.
Main Results:
- A significant difference in rCRT scores was observed between able-bodied and prosthesis users (p < 0.001).
- Prosthesis users exhibited significantly higher rCRT scores, indicating greater compensatory movements and longer task completion times.
- A medium effect size (r = 0.43) was noted, supporting the test's discriminative ability.
Conclusions:
- The adapted refined clothespin relocation test successfully distinguished between able-bodied and prosthesis users.
- Prosthesis users showed increased compensatory motions and longer completion times.
- The rCRT holds promise as a valuable clinical tool for functional task assessment in prosthesis users.
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