示范是以具体动作范例,使学生借助视觉器官对所学动作的形象、结构、要领、完成方法和动作部位的时间和空间的关系等有一个大致的了解,并形成初步的动作表象。所以选择正确的示范位置和方向,让学生有目的地观察示范者的动作、正确地掌握动作要领,对提高体育教学效果有着重要的作用。一、因教材而异因教材的性质和动作的技术结构不同,示范的位置和面是不一样的。如跳远、前滚翻、肩肘倒立、蹲踞式起跑、侧向投掷等动作是沿着纵向移动的,可采 Demonstration is based on specific examples of actions that enable students to have a general understanding of the image, structure, essentials of the action learned, the relationship between the method of completion and the temporal and spatial aspects of the action site, and the formation of a preliminary appearance of the action. Therefore, choosing the correct model location and direction, allowing students to purposely observe the demonstrator’s movements, correctly grasp the essentials of action, to improve the teaching of physical education has an important role. First, due to different textbooks and teaching materials because of the nature and structure of the movement of different technologies, the location of the model and the surface is not the same. Such as long jump, roll forward, shoulder elbow upside down, squat-type start, lateral throwing and other movements are moving along the longitudinal, recoverable