主办单位:成都体育学院
ISSN 1001-9154 CN 51-1097/G8

成都体育学院学报 ›› 2015, Vol. 41 ›› Issue (3): 82-86.doi: 10.15942/j.jcsu.2015.03.16

• 运动训练与竞赛 • 上一篇    下一篇

自由泳短周期内速度特征的三维运动学分析

郝凤霞1,刘铮1,刘平清1,史东林2   

  1. 1.重庆三峡学院,重庆 404100;
    2.河北体育科学研究所,河北 石家庄 050024
  • 收稿日期:2014-12-12 出版日期:2015-05-15 发布日期:2015-05-21
  • 作者简介:郝凤霞,硕士,副教授,研究方向:运动人体科学,E-mail:haofengxia29@163.com。
  • 基金资助:
    2014年国家体育总局重点研究领域项目(2014B036);2013年重庆市教委人文社科一般项目(13SKM03)。

3-D Kinematic Analysis of the Speed Characteristics Freestyle Swimming Within a Shjort Cycle

HAO Fengxia1, LIU Zheng1, LIU Pingqing1, SHI Donglin2   

  1. 1.Chongqing Three Gorges University, Chongqing 404100;
    2.Hebei Institute of Sport Science,Shijiazhuang Hebei 050024
  • Received:2014-12-12 Online:2015-05-15 Published:2015-05-21

摘要: 目的:描述游泳运动员在200m自由泳中,短周期内速度波动(Vfluc)的特征和变化,及身体质心速度的最大值 (Vmax) 和最小值 (Vmin) ,并分析其与运动员运动表现的相关性。方法:选现役河北省游泳队国家一级以上自由泳男运动员共11名为研究对象。用4台水下和2台水上摄像机同步记录他们的游泳表现。将200m自游泳分为4段(每段50m:SC1、SC2、SC3、SC4)分析,采用椭圆区域的方法对人体数据进行计算。结果:测试发现,200m自游泳中Vmean总体在下降;Vmax和Vmin与运动员的表现呈正相关,且SC1段比另外三段的相关性更高;Vmax和Vmin的相关性显著且一致,但与游泳表现并无相关性。结论:各个方向速度波动特征与运动表现没有相关性,且在整个运动过程中也并不呈现显著性的变化。

关键词: 运动学, 自由泳, 质心, 速度特征

Abstract: Objective: This study aims at describing the swimmers’ features and changes of a short-cycle speed fluctuation in the 200m freestyle (Vfluc),and analyzing their correlation with the swimmers’ performance. Methods: 11 male swimmers in active service from Hubei are selected as the research subjects. 4 underwater and 2 overwater video cameras are used to synchronously record their swimming performance. The 200m freestyle swimming is divided into 4 segments (SC1, SC2, SC3, SC4) and oval region method is adopted to calculate human body data. Results: the findings indicate an overall decline in the Vmean and a positive correlation between the swimmers’ Vmax/Vmin and their performance with the correlation of segment 1 much higher than the other three sections. Vmax and Vmin demonstrate significant correlation, but no correlation to the swimming performance. Conclusion: there is no correlation between the velocity fluctuation characteristics in all directions and performance with no significant changes during the whole process.

Key words: kinematics, freestyle, centroid, velocity features

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