Dissertation
Dissertation > Culture, science,education, sports > Sports > Ball games > Golf

A Kinematic Analysis of Chinese Elite Golf Players’ Swinging Techniques

Author WangDeZhi
Tutor ZhouXingLong
School Beijing Sport University
Course Physical Education and Training
Keywords golf the skill of swing the characteristics of Kinematics diagnosis of the skill
CLC G849.3
Type Master's thesis
Year 2010
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Objectives:It analyses and studies the kinematical parameters on the action of swinging and hitting the ball of Chinese excellent golf players. Based on the theories of Sports biomechanics, it researches the rationality of the kinematical parameters on skills and actions, and makes diagnosis and evaluations, thus provides the theoretical references for the training of skills on golf swinging and hitting.Methods:Data in this thesis come from The National Golf Training Base, where seven national athletes (such as Huang Wenyi) were receiving the training of formal swinging on August 11,2009. It employs two MV-GE200 High-speed cameras to get images at the frequency of 200Hz,. Through the Shi-xun video, it interprets the related data processed by the system to the images.Results:The maximum changing range of athletes’centers of gravity is 0.036±0.016m during the process of the club down on the Y axis; the height of athletes’centers of gravity is 0.925±0.055m on the starting point of the club down.The projection formed by the shoulder axis of the club up on XZ plane is not obviously related to the angle formed by X axis and the speed of club head。The angle formed by shoulder axis and X axis in the XZ plane at the moment of hitting is remarkably related to the size of the angle under ideal state; When every athlete is on the starting point of the club down, the pull-axis of the shoulder, pull-axis angle of the hip, the projection of hip axis on the level are not obviously related to the angle formed by the X axis; the maximum moving range of the left hip point between the X axis and Y axis in the process of swinging is not clearly related to the average; the rate of the time between the first swinging part and the second during the process of the club down is 1.12±0.25, which is not obviously related to Tiger Woods 1.28.Conclusion:People should send force as early as possible in the process of swinging and the club down and better transcend the apparatus by strengthening the upper limb muscle. The late period of Zhang Xinjun’s the club down is too ease, which greatly influenced the speed of the club head。There is only one ideal value of the angle formed by shoulder axis and X axis in XZ plane at the moment of hitting. The practical value can approach closely to the ideal value when the shoulders are clamping, the arms are straightening, and the club back is drawing near to the body, promoting the effect of hitting. The left arm should keeping straightening in the process of the club down, and the earlier the right arm straighten, the better it is to the speed of hitting. The pull axis angle of hip and shoulder should be as bid as possible, but at the same time, the shoulder axis angle to the hip axis angle should also enlarge as much as possible, thus increases the rotational energy reserves.In order to guarantee the rhythm of the club down, the speed of the late period in the club down should be faster than the early period, the time should be shorter, and the rate of the time should be recommended as about 0.78.

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