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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
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)

このアイテムを引用あるいはリンクする場合は次の識別子を使用してください。 http://hdl.handle.net/2297/36234



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