Analysis on the Technical Action of Excellent Pitcher;
浅析垒球项目中优秀投手的技术动作
Softball pitcher is the whole show of the team.
垒球投手是一个队中的核心人物,她所处的位置和担负的任务,具有独立作战和协同作战的特点,把球投好是投手首要完成的重要任务,而投球后的防守则是投手义不容辞的责任。
many instability passive technique,on the contrary,the defensive techniques for pitcher is relatively stable and offensive.
这是因为投手投出球的变化因素很多,对击球技术要求较高。
This paper investigates present study on upper extremity strength in baseball pitchers.
在查阅国外大量相关文献资料的基础上,了解棒球投手上肢肌力的研究现状,从投手上肢肌力与球速的关系、投手两侧上肢肌力对比研究、上肢主动肌/对抗肌比值研究等几个方面进行了归纳分析,并对研究中存在的问题及今后的发展提出了看法。
In this study,the methods such as literature,investigating experts,psychology measurements and statisˉtics were applied,61Chinese basketball athletes in three different positions were comparatively investigated for12perceptual indexes,and the perceptual features of elite shooters were discussed at the same time.
运用文献资料、心理实验测量和数理统计等研究方法,对61名不同位置篮球运动员的12项感知觉指标进行了比较研究;同时探讨了优秀投手的感知觉特征。