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首页> 外文会议>International Symposium on Biomechanics in Sports vol.1; 20050822-27; Beijing(CN) >CONTRIBUTION OF THE KNEE JOINT TO MECHANICAL ENERGY IN CROUCHING START ACCORDING TO THE BACKWARD BLOCK INCLINED ANGLE INCREASE
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CONTRIBUTION OF THE KNEE JOINT TO MECHANICAL ENERGY IN CROUCHING START ACCORDING TO THE BACKWARD BLOCK INCLINED ANGLE INCREASE

机译：根据向后倾斜角度的增加，开缝开始时关节对机械能的贡献

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摘要

The purpose of this study was to analyze the contribution of the knee joint to mechanical energy in crouching start according to the backward block inclined angle increase(F, F1, F2). Using kinetic and kinematic data from 3 university sprinters participating in this study we calculated the energies absorbed and generated by the knee joints. The analysis is limited to a two-dimensional (sagittal plane) exercise. Comparing mean values of the energy absorbed and generated from lower extremity joints of each subjects according to backward block inclined angle increase (F, F1, F2). We generate a ratio of a total energy absorbed and generated from lower extremities to one from knee joints. The generated energy of knee joints during start was the highest for all subjects and the absorbed energy of those was the lowest at 55 degree of backward block angle, or F, for subject 1, 50 degree for subject 2, and 50 degree for subject 3.
机译：这项研究的目的是根据向后块倾斜角增加（F，F1，F2）来分析膝关节在蹲伏开始时对机械能的贡献。使用来自参加本研究的3名大学短跑运动员的动力学和运动学数据，我们计算了膝关节吸收和产生的能量。该分析仅限于二维（矢状面）练习。根据向后块倾斜角的增加（F，F1，F2），比较每个受试者下肢关节吸收和产生的能量的平均值。我们产生了下肢吸收和产生的总能量与膝关节产生的总能量的比率。在所有受试者中，膝关节在开始运动时产生的能量最高，而受试者1在55度后向阻塞角或F时，其吸收能量最低，受试者2为50度，受试者3为50度。 。

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