Effect of foot strike patterns and cutting angles on knee kinematics and kinetics during side-cutting maneuvers

IF 0.8 4区 医学 Q4 BIOPHYSICS
None Wenxing Zhou, None Yujie Qi, None Mengjun Liu, None Chengpang Hsiao, None Lin Wang
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Abstract

Purpose Cutting maneuvers are important actions in multidirectional sports but associated with noncontact anterior cruciate ligament (ACL) injuries. This study aimed to investigate the effect of different foot strike patterns and cutting angles on knee kinematics and kinetics. Methods Twenty healthy male team sports athletes performed cuts with maximum speed at three angles (45°, 90°, and 135°) with different foot strike patterns (rearfoot strike [RFS] and forefoot strike [FFS]). A three-dimensional motion capture system combined with a force plate was used to collect makers trajectory and ground reaction force (GRF). Vertical GRF, and knee joint angles and moments were compared among these cutting tasks. Results Regardless of foot strike patterns, increased knee flexion angle, knee valgus moment, and knee internal rotation moment were observed during cutting to sharper angles (p < 0.001). At 90° and 135°, the FFS condition remained in a varus position and showed lower knee flexion moment than the RFS condition (p ≤ 0.004). However, no significant differences in knee kinematic and kinetic variables were found between foot strike patterns during cutting to 45°. Conclusions These findings suggest that sharper cutting angles potentially increase the risk of ACL injury. Compared with the RFS pattern, the FFS pattern induces a slight knee varus angle and a lower knee flexion moment at sharper angles, which might further reduce the load placed on the knee.
在侧切动作中,足部击打方式和切割角度对膝关节运动学和动力学的影响
目的切割动作是多向运动中重要的动作,但与非接触性前交叉韧带损伤有关。本研究旨在探讨不同的足部打击方式和切割角度对膝关节运动学和动力学的影响。方法20名健康男子团体队运动员分别以45°、90°和135°3个角度,采用不同的脚部打击方式(后脚打击和前脚部打击),以最大速度进行切割术。采用结合力板的三维动作捕捉系统采集创客轨迹和地面反作用力(GRF)。比较了各切割任务的垂直GRF、膝关节角度和力矩。结果无论脚的击打方式如何,在切割到更锋利的角度时,观察到膝关节屈曲角、膝关节外翻力矩和膝关节内旋力矩增加(p <0.001)。在90°和135°时,FFS状态保持内翻位,膝关节屈曲力矩低于RFS状态(p≤0.004)。然而,在切割至45°时,没有发现膝关节运动学和动力学变量在足击模式之间的显著差异。结论:更大的切割角度可能会增加前交叉韧带损伤的风险。与RFS模式相比,FFS模式引起轻微的膝关节内翻角和更小的膝关节屈曲力矩,这可能进一步减少膝关节上的负荷。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Acta of bioengineering and biomechanics
Acta of bioengineering and biomechanics BIOPHYSICS-ENGINEERING, BIOMEDICAL
CiteScore
2.10
自引率
10.00%
发文量
0
期刊介绍: Acta of Bioengineering and Biomechanics is a platform allowing presentation of investigations results, exchange of ideas and experiences among researchers with technical and medical background. Papers published in Acta of Bioengineering and Biomechanics may cover a wide range of topics in biomechanics, including, but not limited to: Tissue Biomechanics, Orthopedic Biomechanics, Biomaterials, Sport Biomechanics.
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