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A Reaching Performance Scale for 2 Wolf Motor Function Test Items.

Clarisa Martinez¹, Helen Bacon¹, Veronica Rowe²

¹Division of Biokinesology and Physical Therapy, University of Southern California, Los Angeles, CA.

Archives of Physical Medicine and Rehabilitation

|May 21, 2020

Summary

This summary is machine-generated.

The adapted Reaching Performance Scale for Stroke (RPSS) for the Wolf Motor Function Test showed moderate agreement for intra-rater reliability and weaker agreement for inter-rater reliability in stroke survivors. This tool may help track movement quality changes after stroke.

Keywords:

Psychomotor performance Rehabilitation Stroke Upper extremity

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Published on: January 12, 2019

Area of Science:

Neuroscience
Rehabilitation Medicine
Motor Control

Background:

Stroke often leads to upper extremity motor impairments.
The Wolf Motor Function Test (WMFT) is a common assessment tool.
The Reaching Performance Scale for Stroke (RPSS) evaluates movement quality.

Purpose of the Study:

To adapt the Reaching Performance Scale for Stroke (RPSS) for specific items of the Wolf Motor Function Test (WMFT).
To evaluate the inter- and intra-rater agreement and concurrent validity of the adapted WMFT-RPSS.

Main Methods:

Retrospective analysis of video-recorded WMFT assessments.
Three raters evaluated 29 participants with mild to moderate upper extremity impairment post-stroke.
Inter- and intra-rater reliability (Gwet's AC2) and concurrent validity with other motor scales were assessed.

Main Results:

Moderate intra-rater agreement (AC2: 0.63-0.70) and weak-to-moderate inter-rater agreement (AC2: 0.56-0.61) were found for the WMFT-RPSS.
Significant correlations were observed between WMFT-RPSS scores and measures of movement time, functional ability, and motor impairment.
Analysis suggested potential compensatory movements not evident from movement rate alone.

Conclusions:

The adapted WMFT-RPSS demonstrates potential as a valid and reliable tool for assessing movement quality in stroke survivors.
It may aid in identifying compensatory strategies and tracking longitudinal changes in motor function.
Further research can refine its application in clinical settings.