首页> 外文会议>International Symposium on Biomechanics in Sports vol.1; 20050822-27; Beijing(CN) >THE EFFECTS OF RESISTED SLED LOADING ON SPRINT START KINEMATICS
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THE EFFECTS OF RESISTED SLED LOADING ON SPRINT START KINEMATICS

机译:SLED加载阻力对突触运动学的影响

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Alterations in sprint start kinematics during resisted sled sprinting with loads of 10% and 20% body mass (BM) of ten track sprinters was assessed. High-speed video footage was collected at 250 Hz for the start action with sagittal kinematic measures subsequently obtained using APAS motion analysis software. A repeated measure ANOVA determined if there was a significant (p < 0.01) interaction between the kinematics under the various loaded conditions. Resisted sled loading did not change sprint start performance (mean horizontal block acceleration) but it did stimulate some key technical aspects such as start time and block push-off angle. Stimulating these two aspects of sprint start performance may lead to an enhanced sprint start, through a larger generation of force within the starting blocks and a more horizontal leaving position from the blocks.
机译:评估了十个田径短跑运动员在抗拉雪橇短跑过程中负荷为10%和20%体重(BM)时短跑开始运动学的变化。以250 Hz的速度采集高速视频素材,以开始动作,随后使用APAS运动分析软件获得矢状运动学测量值。重复测量方差分析确定在各种负载条件下运动学之间是否存在显着(p <0.01)相互作用。抵制的雪橇负载不会改变冲刺的起跑性能(平均水平滑车加速度),但可以刺激一些关键的技术方面,例如起跑时间和滑车下推角度。通过在起始块内产生更大的力并从块中获得更水平的离开位置,刺激短跑开始性能的这两个方面可以导致增强的短跑开始。

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