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首页> 外文会议>International Symposium on Biomechanics in Sports vol.1; 20050822-27; Beijing(CN) >THE EFFECT OF RUN-UP DISTANCE AND SOME KINEMATICS VARIABLES ON LONG JUMP DISTANCE FOR THE PRIMARY STAGE ATHLETE STUDENTS IN AL-TAFILAH DISTRICT
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THE EFFECT OF RUN-UP DISTANCE AND SOME KINEMATICS VARIABLES ON LONG JUMP DISTANCE FOR THE PRIMARY STAGE ATHLETE STUDENTS IN AL-TAFILAH DISTRICT

机译：跑步距离和某些运动学变量对Al-TAFILAH地区初级阶段运动员长跳距离的影响

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The purpose of this study were to investigate the best Run-up length contributing to Long Jump distance, and to investigate the relationship between the Run-up and the kinematics' variables for which a regression formula was established to predict jumping performance that can be used for athletes selections. (80) Long Jumping students were served as a subject in this study in which best 11 athletes ages range "13-15" had been assigned 3 trials in six Run-ups lengths and these were randomly ordered to each subject (10, 15, 20, 25, 30, 35, and 40 m). The kinematics' variables were calculated at the center of gravity of the body and they were take off angle (TOA), take off velocity(TOV), horizontal take off velocity(HTV), vertical take off velocity(VTV), take off height(TOH) and Run-up velocity (RUV). Results showed that (20) meters Run-up length was the best for the subject in the study and that the relationship between the horizontal take off velocity and the jump distance was strong and proportional. A provisional prediction formula was established and it was suggested to adopt shorter run-up length for the primary students in Jordan to achieve better kinematical relation.
机译：这项研究的目的是调查有助于跳远距离的最佳助跑长度，并研究助跑和运动学变量之间的关系，为此建立了回归公式来预测可用于跳跃的性能供运动员选择。 （80）在这项研究中，跳远学生作为受试者，其中最佳11名年龄段“ 13-15”的运动员被分配了3个试验，试验长度为6个，每个受试者随机分配这些试验（10、15、15 20、25、30、35和40 m）。运动学变量在身体重心处计算，分别为起飞角（TOA），起飞速度（TOV），水平起飞速度（HTV），垂直起飞速度（VTV），起飞高度（TOH）和加速速度（RUV）。结果表明，（20）米的助跑长度最适合该研究对象，并且水平起飞速度与跳跃距离之间的关系很强且成比例。建立了一个临时的预测公式，并建议对约旦的小学生采用较短的助跑长度，以实现更好的运动关系。

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