Learning effects of repetitive administration of the Southampton Hand Assessment Procedure in novice prosthetic users

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Objective: The Southampton Hand Assessment Procedure (SHAP) evaluates the functionality of normal, injured or prosthetic hands. The aim was to evaluate the learning effects of SHAP tasks and the appropriateness of the time limits applied per task in novice prosthetic users.

Methods: Right-handed unimpaired volunteers (n=24, mean age 21.8 years) completed 8 SHAP sessions over 5 consecutive days using a prosthetic simulator. The execution times of SHAP tasks were transformed into 6 prehensile patterns, the functionality profile, and the index of function, a general functionality score. Learning effects in task times were analysed using multilevel analysis.

Results: Learning effects occurred in all SHAP tasks. Tasks, sex, sessions, tasks-sessions interaction, and the first session of the day contributed (p25% of participants in at least the first 3 sessions, which affected the calculation of the functionality profile and index of function scores.

Conclusion: The learning effects of SHAP in novice prosthetic users require consideration when conducting a reliability study. SHAP scores in novice prosthetic-hand users are confounded by learning effects and exceeded time limits.

Originele taal-2English
Pagina's (van-tot)788-797
Aantal pagina's10
TijdschriftJournal of Rehabilitation Medicine
Nummer van het tijdschrift8
StatusPublished - sep-2014

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