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不同级别男子铅球运动员最后用力技术的生物力学分析的开题报告.docx

发布:2023-12-01约2千字共2页下载文档
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不同级别男子铅球运动员最后用力技术的生物力学分析的开题报告 标题:不同级别男子铅球运动员最后用力技术的生物力学分析研究 摘要:本研究旨在通过生物力学分析,探究不同级别男子铅球运动员在最后用力技术中的生物力学特征和差异,为优化训练和提高竞技水平提供科学的理论指导。研究采用运动生物力学原理,结合三维运动分析系统、力板和高速摄像设备对业余、职业、国家级铅球运动员的最后用力技术进行了分析。通过对运动员的铅球投掷数据进行实验统计分析,得出以下结论:1.不同级别运动员在最后用力时,关节转动幅度和角速度均有所不同,国家级运动员的关节角速度和角度变化幅度均高于其他两组;2.关键关节处的力量输出也有所不同,国家级运动员的能量输出显著高于其他两组;3.国家级运动员在最后用力结束后能够有效地控制身体姿势,避免过度扭曲和姿态失衡。因此,不同级别男子铅球运动员的最后用力技术存在显著差异,国家级运动员的技术更加精细和高效,职业级次之,业余运动员最差。 关键词:生物力学分析;铅球运动员;最后用力技术;关节转动幅度;能量输出。 Abstract: This study aims to explore the biomechanical characteristics and differences of male shot put athletes in the final exertion technique through biomechanical analysis, providing scientific theoretical guidance for optimizing training and improving athletic performance. The study adopted the principles of sports biomechanics, combined with 3D motion analysis system, force plates and high-speed camera equipment to analyze the final exertion technique of amateur, professional and national level shot put athletes. Based on the experimental statistical analysis of shot put data of the athletes, the following conclusions were drawn: 1. Different level athletes have different joint rotation amplitude and angular velocity during the final exertion, with national level athletes having higher joint angular velocity and angle change amplitude than the other two groups; 2. Power output at key joints also varies, with national-level athletes having significantly higher energy output than the other two groups; 3. National level athletes can effectively control their body posture after the final exertion, avoiding excessive distortion and postural imbalance. Therefore, there are significant differences in the final exertion technique among male shot put athletes of different levels, with national-level athletes having more advanced and efficient techniques, followed by professional athletes and amateur athletes. Keywords: biomechanical analysis; shot put athlete; final exertion technique; joint rotation amplitude; energy outp
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