Faculty of Health Sciences, Hokkaido University, Sapporo, Japan.
Faculty of Health Science, Hokkaido Chitose College of Rehabilitation, Chitose, Japan.
Sports Biomech. 2024 May;23(5):640-654. doi: 10.1080/14763141.2021.1881151. Epub 2021 Mar 4.
Associations among hip motions, knee abduction and internal rotation motion during a drop vertical jump (DVJ), which increases the risk of anterior cruciate ligament injury, remain unclear. The purpose of this study was to examine associations among knee abduction, internal rotation and hip joint motions during a DVJ. Fifty-seven young female participants performed a DVJ from a 30-cm height. Hip and knee kinematics and kinetics were analysed using a three-dimensional motion analysis system and force plates. Multiple regression analysis showed that peak knee abduction angle was negatively associated with knee internal rotation and hip internal rotation excursions from initial contact (IC) to peak knee flexion, and positively associated with peak knee abduction moment (R = 0.465, < 0.001). Peak knee internal rotation angle was negatively associated with the hip flexion excursion from IC to peak knee flexion and peak hip adduction moment (R = 0.194, = 0.001). In addition, hip internal rotation excursion was negatively associated with knee abduction and internal rotation excursion from IC to 50 ms after IC. To avoid a large knee abduction and internal rotation motion during jump-landing training, it might be beneficial to provide landing instructions to avoid a large hip external rotation motion.
在增加前交叉韧带损伤风险的垂直跳下（DVJ）过程中，髋关节运动、膝关节外展和内旋运动之间的关联尚不清楚。本研究的目的是研究 DVJ 过程中膝关节外展、内旋和髋关节运动之间的关联。57 名年轻女性参与者从 30 厘米高的地方进行 DVJ。使用三维运动分析系统和测力板分析髋关节和膝关节运动学和动力学。多元回归分析表明，峰值膝关节外展角度与从初始接触（IC）到峰值膝关节屈曲的膝关节内旋和髋关节内旋幅度呈负相关，与峰值膝关节外展力矩呈正相关（R=0.465，<0.001）。峰值膝关节内旋角度与从 IC 到峰值膝关节屈曲和峰值髋关节内收力矩的髋关节屈曲幅度呈负相关（R=0.194，=0.001）。此外，髋关节内旋幅度与从 IC 到 IC 后 50 毫秒的膝关节外展和内旋幅度呈负相关。为了避免在跳跃落地训练中出现较大的膝关节外展和内旋运动，提供避免髋关节外旋运动过大的落地指导可能是有益的。
