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The effect of changing toe direction on knee kinematics during drop vertical jump: a possible risk factor for anterior cruciate ligament injury

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Knee Surg Sports Traumatol Arthrosc_23(4)_1004-1009.pdf2.25 MBPDFView/Open
Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/61044

Title: The effect of changing toe direction on knee kinematics during drop vertical jump: a possible risk factor for anterior cruciate ligament injury
Authors: Ishida, Tomoya Browse this author
Yamanaka, Masanori Browse this author →KAKEN DB
Takeda, Naoki Browse this author →KAKEN DB
Homan, Kentaro Browse this author
Koshino, Yuta Browse this author
Kobayashi, Takumi Browse this author →KAKEN DB
Matsumoto, Hisashi Browse this author
Aoki, Yoshimitsu Browse this author
Keywords: Anterior cruciate ligament injury
Injury prevention
Knee biomechanics
Landing
Motion analysis
Issue Date: Apr-2015
Publisher: Springer
Journal Title: Knee surgery sports traumatology arthroscopy
Volume: 23
Issue: 4
Start Page: 1004
End Page: 1009
Publisher DOI: 10.1007/s00167-013-2815-2
PMID: 24318510
Abstract: The purpose of this study was to examine the effect of changing toe direction on knee kinetics and kinematics associated with anterior cruciate ligament injury during drop vertical jumps. Fourteen females performed drop vertical jumps under three toe conditions (natural, toe-in, and toe-out). The knee kinetics and kinematics during landing were evaluated using a motion analysis system. Results under three toe conditions were compared using a one-way repeated measures analysis of variance and a post hoc Bonferroni test. Toe-in landing was associated with a significantly greater knee abduction angle, tibial internal rotation angle, and knee abduction moment than the natural and toe-out conditions. Toe-out landing was associated with significantly greater tibial internal rotational angular velocity. Changing toe direction significantly affects knee kinetics and kinematics during landing. It is important to avoid changing toe direction excessively inward or outward during landing to prevent the increases in knee abduction and tibial internal rotation which might increase the risk of ACL injury.
Rights: The final publication is available at link.springer.com
Type: article (author version)
URI: http://hdl.handle.net/2115/61044
Appears in Collections:保健科学院・保健科学研究院 (Graduate School of Health Sciences / Faculty of Health Sciences) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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