| This paper studies the content of the kinematics of elite female javelin thrower throwing Lu will step technique will aim to identify the steps Lu will be throwing javelin thrower technology compared to domestic and foreign outstanding What advantages and disadvantages, and each other, and strive to make Lu specific results will be better able to break through. The significance of this study:(1) I hope this study will be able to improve the performance breakthroughs Lu individual bottlenecks to achieve a higher level, provide a reference.2Provide technical reference for the different levels of women’s javelin athletes and coaches training. For the country to train more modest contribution Talented javelin.3provides a theoretical reference for improving the level of national women’s javelin. Throwing Techniques for video analytic research object to Lu will be in April14,2012start of the National Track and Field Grand Prix races in Zhaoqing, cast out of the64meters at95scores. APAS using image analysis software to analyze the images needed to link research results show that:(1) Lu will be the approach speed is relatively slow domestic players, but a higher utilization rate.(2) After the first three steps Lu will be much larger than the domestic trunk inclination players, and even slightly higher than some of the foreign players, but after the fourth step trunk inclination dropped significantly, leading to the final magnitude of the force is not sufficient.3, because the last step of the torso angle of decline, leading to the forced torso angle is also small.4Step shoulder angle becomes smaller, resulting in insufficient ductility throwing arm back, not in the trunk completely tighten state, eventually leading to "full bow" inadequate.5The final step stride is too large, resulting in serious loss of speed, affecting the continuity of the whole process of throwing, but also makes one foot and left foot support long time is difficult to form a solid" double support. |
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