短跑和中长跑运动员跳深实验中支撑时间特征的研究
Study on Contact Time in Drop-jump for Sprint and Middle-distance Races
投稿时间:2019-03-23  
DOI:
中文关键词:短跑  中长跑  跳深实验  支撑时间
英文关键词:sprint  middle-distance race  drop-jump  contact time
基金项目:上海市科学技术委员会科研计划项目(18DZ1200600)
作者单位E-mail
许汪宇 上海市宝山区体育事业管理中心 xuwangyu_hk@163.com 
潘其乐 上海体育科学研究所  
蔡 广 上海体育科学研究所 leng8yang@126.com 
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中文摘要:
      目的:从运动员选材角度探讨短跑和中长跑项目运动员在跳深实验中支撑时间的特征,为支撑时间应用于田径运动员选材提供依据。方法:以上海市一、二线短跑和中长跑共84名运动员为研究对象。所有研究对象均进行身高、体重、跳深实验测试,分组研究两项目运动员支撑时间特征。结果:短跑男子优秀组最快和平均支撑时间都快于一般组(P<0.05),女子优秀组最快和平均支撑时间也都快于一般组(P>0.05),中长跑组也表现基本一致的趋势;项目之间进行比较也基本表现出一致性趋势,也就是短跑组最快和平均支撑时间基本快于相同运动等级中长跑组(P>0.05)。结论:支撑时间在短跑和中长跑项目中具有明显的项目特征和等级特征,可以应用于短跑或中长跑项目选材。
英文摘要:
      The purpose of study is to discuss the characteristics of contact time in drop-jump for sprint and middle-distance race in the view of athlete selection, so as to offer some reference for the application of contact time to the selection of talented track and field athletes. Subjects and methods: A total of 84 first- and second- tier athletes in sprint and middle-distance races from shanghai were studied. All the subjects were tested in height, weight and drop-jump, and were divided into groups to study their contact time in drop-jump. Results: The elite male group is faster than the general group (P<0.05) in terms of the fastest and average contact time (P<0.05), so is elite female group and the general group (P>0.05) , and the middle and long distance running group is basically the same. The comparison between different events also showed a consistent trend, that is, regarding the fastest and the average contact time, the sprint group is basically faster than that of the middle and long distance running group of the same sports level (P>0.05). Conclusion: The contact time in both sprint and middle-distance races has obvious sports event and grade characteristics, which can be used for the selection of talented sprint and middle-distance runners.
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