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Two Dimensional Kinematic Analysis of Set position to First Step with Sprinting Performance of University Athletes

机译:高校短跑运动员第一步位置的二维运动学分析。

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The purpose of the study was to assess the effect of kinematical selected parameters of set position to first step with sprinting performance of University athletes. Six (3 Intervarsity and 3 Intercollegiate level) athletes of Lakshmibai National Institute of Physical Education, NERC, Guwahati has been selected for this study. The mean and standard deviation (SD) of sprinters were age (20.64, 1.64), height (1.73.13 cm, 5.84), weight (61.14 kg, 3.44), arm length (62.00 cm, 3.72) and leg length (93.33 cm, 2.71). For acquiring two-dimensional kinematical data, each subject was asked to warm-up for at least 15 minutes by stretching all major muscle groups for better performing the first step during block start. Biokin-2D motion analysis system V4.5 can be used for kinematical analysis of Set position to First Step on Block Start Sprinting Performance. A standard motion driven camera i.e. handy camera of Sony Company, which frequency of the camera was 50 frame/ second. Even though this camera register photograph, at the moments from set position to first step was selected for the purpose of analysis. The photographic sequence was taken under controlled condition. The distance of the camera from the subjects was 10 mts away and was fixed at one-meter height. The alpha level of significance was set at p<0.05 for all statistical tests. The result was found that Intervarsity and Intercollege athletes in there, Trajectory Knee, Trajectory Ankle, Displacement Knee, Displacement Ankle, Linear Velocity Knee, Linear Velocity Ankle and Linear Acceleration Ankle whereas insignificant difference was found between Intervarsity and Intercollege in their Linear Acceleration Knee joint of set position to first step with sprinting performance.
机译:这项研究的目的是评估运动选择参数的设置位置对第一步对大学运动员冲刺成绩的影响。这项研究选择了古瓦哈提市NERC拉克什米拜国家体育学院的六名(3个大学间和3个大学间级别)运动员。短跑运动员的平均标准偏差(SD)为年龄(20.64,1.64),身高(1.73.13 cm,5.84),体重(61.14 kg,3.44),臂长(62.00 cm,3.72)和腿长(93.33 cm) ,2.71)。为了获取二维运动学数据,要求每个受试者通过拉伸所有主要的肌肉群来进行至少15分钟的热身,以更好地执行方块开始过程中的第一步。 Biokin-2D运动分析系统V4.5可用于对“块开始冲刺性能的第一步”设置位置进行运动分析。标准的运动驱动照相机,即索尼公司的便携式照相机,照相机的频率为50帧/秒。即使此相机记录了照片,也出于分析目的选择了从设置位置到第一步的瞬间。照相顺序是在受控条件下拍摄的。相机与拍摄对象的距离为10米,固定在1米的高度。对于所有统计测试,显着性的alpha水平设置为p <0.05。结果发现,其中的高校和大学生运动员,轨迹膝,轨迹脚踝,位移膝,位移脚踝,线速度膝,线速度踝和线加速脚踝,而在线加速膝关节中的高校和大学生之间没有显着差异冲刺性能的第一步设定位置。

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