Reliability and validity of the Muscle Strength Test for the Hip Abduction using a Handheld Dynamometer Stabilizing Belt

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  • 固定用ベルトを用いたハンドヘルドダイナモメーターによる股関節外転筋力 測定の信頼性と妥当性
  • コテイヨウ ベルト オ モチイタ ハンドヘルドダイナモメーター ニ ヨル コカンセツ ガイテンキンリョク ソクテイ ノ シンライセイ ト ダトウセイ

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Abstract

The purpose of this study was to measure isometric hip abductor muscle strength with side lying posion by two methods [handheld dynamometer （HHD） and isokinetic dynamometer （IKD）] and to examine the reliability and validity of the method by HHD.The participants were 27 college students and the study selected to test only the right hips.Hip abduction was performed with maximum effort for about 3 seconds, and the maximum value during that was adopted. Furthermore, taking a break of 30 seconds or more, measurements were carried out twice.For statistics, intra-class correlation coefficient and Pearson’s correlation coefficient and Bland Altman analysis were used.The data analysis was ICC （1,1） = 0.907 for HHD, ICC （1,1）= 0.918 for IKD. The correlation coefficient of Pearson was found to be a significant correlation of 0.717.Brand Altman analysis confirmed fixed bias.Therefore, the measurement by HHD was considered to be reliable and valid.

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