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1392/6/11، جلد ۴، شماره ۳، صفحات -
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| عنوان فارسی |
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| چکیده فارسی مقاله |
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| کلیدواژه‌های فارسی مقاله |
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| عنوان انگلیسی |
Altered Peak Knee Valgus during Jump-Landing among Various Directions in Basketball and Volleyball Athletes |
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| چکیده انگلیسی مقاله |
Purpose: Excessive knee valgus during landing tasks is a contributing factor to knee injuries. Most studies have examined lower extremity biomechanics during the forward direction of a jump-landing task. Athletes perform many movements in the air and land in multi-directions. Therefore, the purpose of this study was to assess the peak knee valgus angle (PKVA) during one leg jump-landing in various directions. Methods: Eighteen male basketball and volleyball athletes participated in the study. Participants performed one leg jump-landing tests from a 30 cm height platform in four directions. Knee valgus motion was measured using Vicon™ motion system. The data were analyzed with repeated measures ANOVA. Results: Direction significantly ( P <0.001) influenced the PKVA during landing. Significantly higher PKVA was observed for the lateral (8.8°±4.7°) direction as compared to forward (5.8°±4.6°) direction ( P <0.05). The PKVA in 30° diagonal (7.5°±4.6°) and 60° diagonal (7.7°±5.7°) directions was higher than in the forward direction ( P <0.05). Conclusion: One leg jump-landing in lateral and diagonal directions results in a higher PKVA compared to landing in a forward direction and could lead to a higher risk of knee injury. Key Words: Jump-Landing; Knee Valgus Angle; Basketball and Volleyball; Risk of Knee Injury |
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| کلیدواژه‌های انگلیسی مقاله |
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| نویسندگان مقاله |
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| نشانی اینترنتی |
http://asjsm.tums.ac.ir/index.php/asjsm/article/viewArticle/329 |
| فایل مقاله |
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| کد مقاله (doi) |
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| زبان مقاله منتشر شده |
en |
| موضوعات مقاله منتشر شده |
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| نوع مقاله منتشر شده |
Original Article |
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