Classification of rolling over movement patterns by analysis up to the pelvic rotation of 45 degrees using quantitative date in normal

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  • Miki Hiroshi
    Department of Rehabilitation, Tokyo Saiseikai Central Hospital
  • Nitta Osamu
    Department of Physical Therapy, Graduate School of Human Health Sciences, Tokyo Metropolitan University

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  • 健常者における定量的指標を用いた骨盤 45 度回旋位までの 解析による寝返り動作パターンの類型化
  • ケンジョウシャ ニ オケル テイリョウテキ シヒョウ オ モチイタ コツバン 45ド カイセンイ マデ ノ カイセキ ニ ヨル ネガエリ ドウサ パターン ノ ルイケイカ

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Abstract

 [Purpose]There is no established method for rolling over motion analysis using a quantitative date other than using an optical three-dimensional motion analysis device, but it is not possible to perform complete analysis for rolling over motion where it is difficult to measure markers. There are also limits. In the previous study, we categorized rolling motions by analyzing up to 90 degrees of pelvic rotation, but in clinical practice it is required to develop more convenient and practical measurement and analysis. Therefore, we examined whether it is possible to categorize the motion patterns by analyzing the motion of rolling over to 45 degrees of pelvic rotation.[Method]Rolling over movement was measured by a three-dimensional motion analysis system for 30 healthy men, and rolling over movement was classified by cluster analysis and one -way analysis of variance up to the pelvic 45 degrees rotation. After that, by comparison with previous study, the kappa coefficient was used to calculate the degree of agreement with the rolling motion patterns in the analysis up to 90 degrees of pelvic rotation.[Results]The movement patterns are classified as trunk flexion(n = 18)/extension(n = 4)/rotation(n = 8), and the agreement of the movement patterns compared with the analysis up to 90 degrees of pelvic rotation was κ = 0.66 (p <0.001), which was a sufficient agreement.[Conclusion]The classification of the rolling over movement pattern using a quantitative date is sufficiently possible by analysis up to the pelvic rotation of 45 degrees.

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