Biomechanical Analysis of Injury Factor According to the Change of Direction After Single-leg Landing

Korean Journal of Sport Biomechanics Pub Date : 2016-12-31 DOI:10.5103/KJSB.2016.26.4.433

Jongbin Kim, Sang-Kyoon Park

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引用次数: 1

Abstract

Sports injuries occur frequently during various sports competitions, and many studies have been conducted to improve athletic performance and prevent injuries (Mcnitt-Gray, 1989). Lower extremity joint injuries occur in approximately 77% of cases, with knee (21%) and ankle (18%) joint injuries accounting for significant portions of such injuries (Tropp, Askling & Gillquist, 1985). With respect to injury type, approximately 50% and 13% of all knee injuries involved the anterior cruciate ligament (ACL) and medial collateral ligament (MCL), respectively (Majewski, Susanneet & Klaus, 2006). Among the injury types, ACL injuries account for approximately 70% of non-contact injuries during actual physical activities (Meyer & Haut, 2008). Ankle injuries occur at a frequency of 50% for sprains, 17% for spasms, 12% for bruises, and 5% for fractures (Hang, 2013). Among athletes who incurred ankle sprains, >70% experienced additional and repetitive symptoms of dysfunction and re-injury (Anandacoomarasamy & Barnsley, 2005). Knee ligament injuries and ankle sprains occur during sports competitions and trainings (Hootman, Dick & Agel, 2007). Various reports have indicated that the causes of injuries include decreased range of motion (ROM) of the lower extremity joints and large impact force (Chae & Kang, 2009; Kim, Oh & Jeong, 2015; Yeow, Lee & Goh, 2011) and large valgus angle (Cho, Kim, Moon, Cho & Lee, 2010; Shin, Choi & Kim, 2015). Meanwhile, a study that compared between normal and perceived landing reported that the flexion angle of the knee was larger in perceived landing than in normal landing (Choi, 2015; Schmitz, Kulas, Perrin, Riemann & Shultz, 2007; Sigward, Pollard & Powers, 2012). Moreover, a study on landing that simulated actual sports motion reported that injuries may appear from the impact load in the lower extremity joints during landing from jumping (Kim & Cho, 2012). The cause of such injury was attributed to lower extremity joint injury from insufficient impact absorption during landing and inKJSB Korean Journal of Sport Biomechanics 2016; 26(4): 433-441 http://dx.doi.org/10.5103/KJSB.2016.26.4.433 http://e-kjsb.org eISSN 2093-9752 ORIGINAL

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单腿着地后方向变化对损伤因素的生物力学分析

在各种体育比赛中，运动损伤是经常发生的，为了提高运动成绩和预防损伤，人们进行了许多研究(Mcnitt-Gray, 1989)。下肢关节损伤约占77%，其中膝关节(21%)和踝关节(18%)损伤占这类损伤的很大一部分(Tropp, Askling & Gillquist, 1985)。就损伤类型而言，大约50%和13%的膝关节损伤分别涉及前交叉韧带(ACL)和内侧副韧带(MCL) (Majewski, Susanneet & Klaus, 2006)。在各种损伤类型中，ACL损伤约占实际体育活动中非接触性损伤的70% (Meyer & Haut, 2008)。踝关节损伤的发生率为扭伤50%，痉挛17%，瘀伤12%，骨折5% (Hang, 2013)。在发生踝关节扭伤的运动员中，大约70%的人经历了额外的和重复的功能障碍症状和再损伤(Anandacoomarasamy & Barnsley, 2005)。膝关节韧带损伤和踝关节扭伤发生在体育比赛和训练中(Hootman, Dick & Agel, 2007)。各种报告表明，损伤的原因包括下肢关节活动范围(ROM)减小和冲击力大(Chae & Kang, 2009;Kim, Oh & Jeong, 2015;Yeow, Lee & Goh, 2011)和大外翻角(Cho, Kim, Moon, Cho & Lee, 2010;Shin, Choi & Kim, 2015)。同时，一项比较正常着陆和感知着陆的研究报告称，感知着陆时膝盖的屈曲角度大于正常着陆时(Choi, 2015;Schmitz, Kulas, Perrin, Riemann & Shultz, 2007;Sigward, Pollard & Powers, 2012)。此外，一项模拟实际运动的落地研究报告称，在跳跃落地过程中，下肢关节的冲击载荷可能会造成损伤(Kim & Cho, 2012)。这种损伤的原因是由于着陆时冲击吸收不足导致的下肢关节损伤和inKJSB Korean Journal of Sport Biomechanics 2016;[j] .26 (4): 433-441 http://dx.doi.org/10.5103/KJSB.2016.26.4.433 http://e-kjsb.org eISSN 2093-9752

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Korean Journal of Sport Biomechanics

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