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タイトル: Influence of static alignment of the knee, range of tibial rotation and tibial plateau geometry on the dynamic alignment of "knee-in" and tibial rotation during single limb drop landing
著者: Arai, Takahiro
Miaki, Hiroichi link image link image
三秋, 泰一
発行日: 2013年 7月
出版社(者): Elsevier
雑誌名: Clinical Biomechanics
ISSN: 0268-0033
巻: 28
号: 6
開始ページ: 642
終了ページ: 648
キーワード: "Knee-in & toe-out"
Dynamic knee alignment
Posterior tibial slope angle
Range of tibial rotation
Static knee alignment
Valgus
Varus
抄録: Background Dynamic alignment of "knee-in & toe-out" is a risk factor for anterior cruciate ligament injury and is possibly influenced by static knee alignment, range of tibial rotation and tibial plateau geometry. Methods Twenty-eight healthy women were classified into valgus, neutral and varus groups based on static alignment of their knees. A 3-dimensional motion analysis was carried out for a single limb drop landing. The range of tibial rotation and posterior tibial slope angle was measured by MRI. Comparison among the 3 groups and correlation between the angles was analyzed during motion. Findings The differences between the medial and lateral posterior tibial slope angles were greater (P = 0.019), also range of internal tibial rotation for the valgus group (P = 0.017) and, for the varus group, the "knee-in" angle (P = 0.048). The "knee-in" angle correlated significantly with the tibial rotation angle (R = - 0.39, P = 0.038), and the range of tibial rotation correlated with the variations between the medial and lateral posterior tibial slope angles (R = 0.90, P = 0.003). Interpretation The range of tibial rotation, posterior tibial slope and "knee-in" angle varied according to whether the knee was in valgus or varus with the range of tibial rotation dependent on the posterior tibial slope angle. The greater the "knee-in" angle became, the smaller the internal tibial rotation was, acting in a kinetic chain. The results suggest that static alignment of the knee may be utilized as a predictor for potential problems that occur during motion. © 2013 Elsevier Ltd.
DOI: 10.1016/j.clinbiomech.2013.05.003
URI: http://hdl.handle.net/2297/36234
関連URI: http://www.elsevier.com/locate/issn/02680033
資料種別: Journal Article
版表示: author
出現コレクション:1. 査読済論文(医学・保健)

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