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Updated: May 7, 2025
A Method for Quantifying Upper Limb Performance in Daily Life Using Accelerometers
Published on: April 21, 2017
Updated, detailed scoring of the activities measure for upper limb amputation (AM-ULA)
Linda Resnik1, Matthew Borgia2, Christine Cowen2
1Research Department, Providence VA Medical Center, Providence, RI, USA; Health Services, Policy and Practice, Brown University, Providence, RI, USA.
Background:
The Activities Measure for Upper Limb Amputation (AM-ULA), an activity measure for prosthesis users, uses a complex grading rubric to assign a single score to task performance which may limit responsiveness.
Purpose:
To enhance AM-ULA responsiveness by exploring a scoring that uses multiple grading elements.
Study Design:
Cross-sectional study.
Methods:
AM-ULAs of 50 participants were videotaped. Two raters evaluated completion of subtasks, speed of performance, movement quality, skillfulness of prosthetic use, and independence. Intraclass correlation coefficients (ICC) assessed intra-rater and inter-rater reliability.
Results:
Rater 1 had fair (0.72) to excellent (0.99) intra-rater reliability in all elements except for independence. Rater 2 had excellent reliability (≥0.96) in all elements. Inter-rater reliability ICC ranged from 0.83 (very good) to 0.99 (excellent) for all elements except independence.
Conclusions:
Video scoring of the AM-ULA utilizing individual grading elements showed good intra-rater and inter-rater reliability and is recommended to improve responsiveness of the AM-ULA.
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