| Reliability of force-platform measures of postural sway and expertise-related differences. | |
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MedLine Citation:
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PMID: 22012498 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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CONTEXT: Although reliability is a population-specific property, few studies have investigated the measurement error associated with force-platform parameters in athletic populations. OBJECTIVE: To investigate the skill-related differences between athletes and nonathletes in reliability of center-of-pressure (COP) summary measures under eyes-open (EO) and eyes-closed (EC) conditions. DESIGN: Test-retest reliability study. SETTING: COP was recorded during double-leg quiet standing on a Kistler force platform before and after a fatiguing treadmill exercise, with EO and EC. PARTICIPANTS: 31 male participants including 15 athletes practiced in karate and 16 nonathletes. MAIN OUTCOME MEASURES: Standard deviation (SD) of amplitude, phase-plane portrait, SD of velocity, mean total velocity, and area were calculated from 30-s COP data. Intraclass correlation coefficient (ICC), standard error of measurement, and coefficient of variation (CV) were used as estimates of reliability and precision. RESULTS: Higher ICCs were found for COP measures in the athlete (compared with the nonathlete) group, postfatigued (compared with prefatigued) condition, and EC (compared with EO) tests. CVs smaller than 15% were obtained for most of the COP measures. SD of velocity in the anteroposterior direction showed the highest reliability in most conditions. CONCLUSIONS: Tests with EC and to a lesser extent tests performed in the athlete group and in the postfatigued condition showed better reliability. |
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Authors:
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Zohreh Meshkati; Mehdi Namazizadeh; Mahyar Salavati; Masood Mazaheri |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of sport rehabilitation Volume: 20 ISSN: 1543-3072 ISO Abbreviation: J Sport Rehabil Publication Date: 2011 Nov |
Date Detail:
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Created Date: 2011-10-20 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9206500 Medline TA: J Sport Rehabil Country: United States |
Other Details:
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Languages: eng Pagination: 442-56 Citation Subset: IM |
Affiliation:
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Science and Research Branch, Islamic Azad University, Tehran, Iran. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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