负重深蹲下肢关节力量基准值的建立与分析
Analysis and Establishment of Reference Value of Lower Limb Joint Strength in Weight-Bearing Squat
陈召 1王建伟 1尹航 2杜芸芸 3王治华3
作者信息
- 1. 郑州轻工业大学,河南 郑州450000
- 2. 武汉商学院,湖北武汉430056
- 3. 武汉体育学院,湖北武汉430079
- 折叠
摘要
运用牛顿动力学理论构建负重深蹲动作下肢运动的动力学方程,运用高速摄像-影像解析方法获取运动学参数,在此基础上计算髋、膝、踝关节伸肌力量及关节受力,建立负重深蹲下肢关节力量基准值.研究认为:1)构建的简化方程能够计算出负重深蹲下肢关节力量的基准值;2)髋、膝、踝关节的伸肌拉力随膝关节角度增大而逐渐减小,当膝关节角度<130°时,股四头肌拉力最大;3)髋、膝、踝关节的受力也随膝关节角度增大而逐渐减小,其中膝关节受力最大,受伤风险可能最大.
Abstract
To construct the dynamic equation of lower limb movement in weight-bearing squat by using Newton dynamic theory,to calculate the extensor force and joint force of hip,knee and ankle by using the kinematic parameters of image analysis,to establish the reference value of lower limb strength of weight-bearing squat,and analyze the characteristics of changes in exten-sor muscle strength and joint stress of hip,knee,and ankle joints. Research suggests that:1) A simplified equation is constructed to calculated the baseline value of lower extremity joint strength for weighted deep squatting;2) the extensor tension of hip,knee and ankle decreased with the increase of knee angle,before the knee joint reaches 130°,the quadriceps muscle exerts the greatest tensile force;3) the stress of hip,knee and ankle also decreases with the increase of knee angle,the knee joint is the most stressed and has the greatest risk of injury.
关键词
负重深蹲/肌肉力量/关节受力/基准值Key words
weight-bearing squat/muscle strength/joint stress/reference value引用本文复制引用
出版年
2024
NETL
NSTL
万方数据