(1.Department of Physical Education,Xi’an University of Architecture and Technology,Xi’an 710055,China;2.Department of Sports training,Hebei Institute of Physical Education,Shijiazhuang 050041,China; 3.School of Physical Education,Langfang Normal University,Langfang 065000,China)Abstract: By applying the method of 3D kinematical analysis, the authors studied the takeoff technique of ZHENG Xin-juan as an excellent female high jumper in China, found that she had such shortcomings as too small H1 value and too large H3value, and irrational coordination between the stretching of the takeoff leg and the swinging of the arms, and thought that the coordination between stretching and swinging and the technical move of bar clearance are the keys to enhancing her performance. Key words: sports biomechanics;takeoff technique of female high jumper;ZHENG Xin-juan |