Document Detail


Minimal detectable change of knee extension force measurements obtained by handheld dynamometry from older patients in 2 settings.
MedLine Citation:
PMID:  22441324     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND AND PURPOSE: The measurement properties of handheld dynamometry (HHD) have been studied extensively, but information about the responsiveness of the procedure is scant. The purpose of this study, therefore, was to determine the responsiveness (minimal detectable change [MDC]) for measurements of knee extension force obtained by HHD from older adult patients in 2 different settings.
METHODS: This study involved the retrospective retrieval of knee extension force data of the left and right sides from 2 sources (acute rehabilitation [n = 53] and home care [n = 46]). The standard deviation of the forces and the weighted mean intraclass correlation coefficient (ICC) from 3 previous studies (ICC = 0.90) were then used to calculate the MDC95%.
RESULTS: The MDC95% ranged from 46.0 to 79.0 N. It was lower for patients measured in a home care setting than for those measured in an acute rehabilitation setting.
DISCUSSION AND CONCLUSIONS: By describing the MDC for knee extension force obtained by HHD from older adults in 2 settings, this study provides an indication of the changes in force that would have to be surpassed to conclude that a real change in knee extension strength was observed. The MDCs reported have a role in the interpretation of repeated measurements and in setting goals for changes in knee extension force.
Authors:
Richard W Bohannon
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of geriatric physical therapy (2001)     Volume:  35     ISSN:  2152-0895     ISO Abbreviation:  J Geriatr Phys Ther     Publication Date:    2012 Apr-Jun
Date Detail:
Created Date:  2012-03-23     Completed Date:  2012-07-30     Revised Date:  2012-08-06    
Medline Journal Info:
Nlm Unique ID:  101142169     Medline TA:  J Geriatr Phys Ther     Country:  United States    
Other Details:
Languages:  eng     Pagination:  79-81     Citation Subset:  IM    
Affiliation:
Department of Kinesiology, Neag School of Education, University of Connecticut, Storrs, CT 06269, USA. richard.bohannon@uconn.edu
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MeSH Terms
Descriptor/Qualifier:
Adult
Aged
Aged, 80 and over
Aging / physiology
Chronic Disease
Disability Evaluation*
Female
Geriatric Assessment / methods*
Health Status Indicators
Home Care Services / utilization
Humans
Isometric Contraction / physiology*
Knee / physiology*
Male
Middle Aged
Muscle Strength Dynamometer / standards*
Physical Exertion / physiology*
Physical Therapy Modalities
Postural Balance / physiology*
Predictive Value of Tests
Prognosis
Questionnaires
Reproducibility of Results*
Retrospective Studies

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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