【摘要】 虽然关于左利手运动优势的本质和机制问题一直有不少研究报道，但其核心机制问题依然有多种解释。本文通过文献研究，探讨了左利手运动优势的运动学特征、左利手的生物学机制及潜在左利手问题，研究认为：左利手运动优势现象主要存在于某些技能性对抗项目之中。其内在机制源于大脑两半球多种功能优势的差异。更多还原

【Abstract】 There have been many research about the essence of the competition superiority of left- hander, but it still has got many of explaining. Based on the literature study, this article discusses the questions such as the left-hander’s kinematics retait, biology mechanism and latent left-hander. It points out the competition superiority of left-hander only exist in some antagonism events. The inner mechanism is the difference function of hemisphere.更多还原