경련성 (spasticity) 평가를 위한 Modified Ashworth Scale의 측정자간 신뢰도
Inter-Rater Reliability of the Modified Ashworth Scale of Spasticity
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This study was performed to determine the inter-rater reliability of manual tests ofelbow, knee flexor, and a따de dorsiflexor muscle spasticity graded on the Modifìed Ashworth Scale. Two raters each independently graded the spasticity of 32 patients within tracranial lesions after moving the paretic limb passively through the available range ofmotion. The patients were asked to simultaneously sQueeze therapeutic putty with theirnon-paretic hand for reinforcement. The ratings were compared by the Wilcoxon matchedpairs signed-rank test and by the Kendall's coefficient of rank(tau) correlation. There was singificant correlation between two raters for spasticity at the elbow, knee flexor, and ankle dorsiflexor. The correlations of the two raters ranged from .6746 to .9308. Thehighest correlation was for the elbow with reinforcement and the lowest was for theknee without reinforcement. Poorer correlation was evident in the knee joint. The positiveresults of this study encourage the continued use of manual tests of muscle spasticity,using the Modified Ashworth Scale.
Abstract
This study was performed to determine the inter-rater reliability of manual tests ofelbow, knee flexor, and a따de dorsiflexor muscle spasticity graded on the Modifìed Ashworth Scale. Two raters each independently graded the spasticity of 32 patients within tracranial lesions after moving the paretic limb passively through the available range ofmotion. The patients were asked to simultaneously sQueeze therapeutic putty with theirnon-paretic hand for reinforcement. The ratings were compared by the Wilcoxon matchedpairs signed-rank test and by the Kendall's coefficient of rank(tau) correlation. There was singificant correlation between two raters for spasticity at the elbow, knee flexor, and ankle dorsiflexor. The correlations of the two raters ranged from .6746 to .9308. Thehighest correlation was for the elbow with reinforcement and the lowest was for theknee without reinforcement. Poorer correlation was evident in the knee joint. The positiveresults of this study encourage the continued use of manual tests of muscle spasticity,using the Modified Ashworth Scale.