《Chinese Journal of Rehabilitation Theory and Practice》 ›› 2010, Vol. 16 ›› Issue (1): 3-5.
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WENG Chang-shui, HOU Hui-ru, WANG Na, et al.
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Abstract: ObjectiveTo examine the test-retest reliability and measurement error in using a Jamar dynamometer to determine grip strength for elder men. Methods40 elder men with a mean age of 82 years old volunteered to participate in this study. The grip strength was administered twice using a Jamar dynamometer by specially trained testers; subjects were re-tested at the same time of day a week later by the same testers. ResultsThe infraclass correlation coefficient(ICC) was 0.99. The standard error of measurement (SEM and SEM%) were 1.18~1.69 and 4.11%~6.41%. The smallest real difference (SRD and SRD%) were 3.27~4.68 and 11.39%~17.75%. The Bland-Altman analysis revealed no systematic errors between test and retest. ConclusionThe Jamar dynamometer is reliable and with acceptable measurement errors to determine grip strength for elder men.
Key words: older people, grip strength, Jamar dynamometer, test-retest reliability, measurement error
WENG Chang-shui;HOU Hui-ru;WANG Na;et al.. Test-retest Reliability and Measurement Error in Using A Jamar Dynamometer to Determine Grip Strength for Elderly Men[J]. 《Chinese Journal of Rehabilitation Theory and Practice》, 2010, 16(1): 3-5.
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