Document Detail


Relative and Absolute Reliabilities of the Myotonometric Measurements of Hemiparetic Arms in Stroke Patients.
MedLine Citation:
PMID:  22960277     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
OBJECTIVE: To investigate the relative and absolute reliabilities of the myotonometer. DESIGN: Psychometric study. SETTING: Three medical centers. PARTICIPANTS: Sixty-one stroke patients. INTERVENTIONS: Not applicable. MAIN OUTCOME MEASURES: Muscle tone, elasticity, and stiffness of relaxed affected deltoid, triceps brachii, biceps brachii, extensor digitorum, flexor carpi radialis, and flexor carpi ulnaris were measured twice, 30 minutes apart, using the myotonometer. Intraclass correlation coefficient (ICC), a relative reliability index, was calculated for three muscular properties and for each muscle to examine the degree of consistency and agreement between two test sessions. Absolute reliability indices, including the standard error of measurement (SEM), smallest real difference (SRD), and Bland-Altman limits of agreement (LOA), were used to quantify measurement errors and check systematic biases of two test sessions. RESULTS: The ICCs were 0.83-0.95 for muscle tone, elasticity, and stiffness of all muscle groups. The SEM and SRD of muscle tone, elasticity, and stiffness of the biceps were the smallest among the six muscles tested. The Bland-Altman analyses showed no systematic bias between most of the repeated measurements. Compared with other muscles, biceps had narrower LOA ranges, indicating that the myotonometric measurements of the biceps had higher stability and less variation over time. CONCLUSIONS: The Myoton-3 myometer reliably measures muscular properties, with good relative and absolute reliabilities. These findings are useful for clinicians and researchers to assess muscle properties reliably and determine whether a real change has occurred in groups and on individual levels of stroke patients.
Authors:
Li-Ling Chuang; Keh-Chung Lin; Ching-Yi Wu; Chein-Wei Chang; Hsieh-Ching Chen; Hsin-Pei Yin; Lei Wang
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-4
Journal Detail:
Title:  Archives of physical medicine and rehabilitation     Volume:  -     ISSN:  1532-821X     ISO Abbreviation:  Arch Phys Med Rehabil     Publication Date:  2012 Sep 
Date Detail:
Created Date:  2012-9-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  2985158R     Medline TA:  Arch Phys Med Rehabil     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Copyright Information:
Copyright © 2012 the American Congress of Rehabilitation Medicine. Published by Elsevier Inc. All rights reserved.
Affiliation:
Department of Physical Therapy and Graduate Institute of Rehabilitation Science, College of Medicine, Chang Gung University, Taoyuan, Taiwan.
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