关于射门选择对篮球射击期间神经肌肉控制策略的影响的研究
Qizhao Zhou1, Shiguang Wu1, Jiashun Zhang1
1College of P.E. and Sports, Beijing Normal University, Beijing 100875, China.
Sensors (Basel, Switzerland)
|July 12, 2025
概括
射击选择显著影响篮球射击期间的肌肉协调. 不同的射击类型和距离需要不同的神经肌肉策略来实现最佳性能.
科学领域:
- 生物力学 生物力学
- 发动机控制器的控制器
- 运动科学 运动科学 运动科学
背景情况:
- 篮球射击涉及复杂的神经肌肉控制.
- 了解肌肉协调对于提高表现至关重要.
研究的目的:
- 为了研究射击选择如何影响篮球射击期间的肌肉协调.
- 根据射击类型和距离,识别神经肌肉策略的差异.
主要方法:
- 使用3D运动捕捉,力平台和表面电肌图 (sEMG).
- 开发了一个对sEMG和脊髓神经活动的反向映射模型.
- 采用非负矩阵因子化 (NMF) 和K-意味着特征提取的集群.
主要成果:
- 静止和跨越不同距离的跳跃镜头之间脊柱段激活时间和振幅的显著差异.
- 肌肉协调模块的独特的时空结构用于静止与跳跃镜头.
- 根据射击类型和距离,协调模块内的肌肉激活水平的变化.
结论:
- 射击选择是篮球射击中神经肌肉控制策略的关键决定因素.
- 针对性培训应解决通过分析射击选择发现的特定弱点.
- 建议包括提高静止射击的下肢稳定性和跳跃射击的核心/上肢协调.
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