Journal of UOEH
Online ISSN : 2187-2864
Print ISSN : 0387-821X
Validity and Reliability of the Measurement of the Quardriceps Femoris Muscle Strength with a Hand-Held Dynamometer on the Affected Side in Hemiplegic Patients
Chunhua PIAONayumi YOSHIMOTOHideo SHITAMAKenichirou MAKINOFutoshi WADAKenji HACHISUKA
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2004 Volume 26 Issue 1 Pages 1-11

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Abstract

The purpose of this study was to investigate validity and reliability of measuring the quadriceps femoris muscle strength on the affected side in hemiplegic patients with a hand-held dynamometer (HHD) to prepare for a multi-center cooperative study. Measurements of the known weights (8.972 and 18.665 kg) with HHD were 8.98 ± 0.00 kg and 18.57 ± 0.00 kg, respectively, and measurements with HHD were almost consistent with those with KIN-COM (gold standard), because the Pearson's product-moment correlation coefficient was 0.99 (P < 0.001). There were significant differences in measurements of the quadriceps femoris muscle strength on the affected side in a hemiplegic patient between just anterior to the face of the ankle and 7 cm proximal to the ankle, and on a chair with or without a backrest (t-test, P < 0.05), but no significant difference was found between the 90° and 60° flexed position of the knee (t-test, 0.1 > P > 0.05). There were also no significant differences in muscle strength measured by three different examiners and on four trials, but significant differences were found among three patients (General Linear Model, P < 0.001). Therefore, by using the standardized measuring procedure, the HHD is reliable to measure strength of the quadriceps femoris muscle on the affected side in hemiplegic patients.

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© 2004 The University of Occupational and Environmental Health, Japan
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