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Stabilizing effects of ankle bracing under a combination of inversion and axial compression loading

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タイトル: Stabilizing effects of ankle bracing under a combination of inversion and axial compression loading
著者: Tohyama, Harukazu 著作を一覧する
Yasuda, Kazunori 著作を一覧する
Beynnon, Bruce D. 著作を一覧する
Renstrom, Per A. 著作を一覧する
キーワード: Ankle
Inversion injury
発行日: 2006年 4月
出版者: Springer
誌名: Knee Surgery, Sports Traumatology, Arthroscopy
巻: 14
号: 4
開始ページ: 373
終了ページ: 378
出版社 DOI: 10.1007/s00167-005-0652-7
抄録: The combined effects of bracing, axial compression and inversion rotation on the ankle-subtalar complexes were evaluated. Ex vivo tests under the load-controlled condition were performed on six cadaver ankle specimens using a six degree-of-freedom fixture. Inversion rotation was measured while subjecting the ankle-subtalar complex to a 2.5 N-m inversion moment and a combination of the testing variables (brace type, no brace, 178 N axial compression load, no compression load, 0° and 20° of plantar flexion) for a total of 16 tests per specimen. Three commercially available braces (two semirigid types and one lace up type) were evaluated. An axial compression load significantly decreased ankle-subtalar motion in unbraced ankles for the tested inversion moment. The contribution of bracing to stabilization of the ankle was smaller in the axial loading condition than in the no axial loading condition. The semirigid braces had greater stabilizing effects in response to the inversion moment than the lace up brace. Stabilizing effects of bracing were significantly greater in 20° of plantar flexion than in 0° of plantar flexion. The most common mechanism for an ankle sprain injury is inversion rotation on a weight-bearing ankle. Therefore, we should not overestimate stabilizing effects of bracing from evaluations of bracing without axial compression loading.
Rights: The original publication is available at
資料タイプ: article (author version)
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 遠山 晴一


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