在一堂体育课中,准备活动虽然不是课的主要部分,但它直接关系到一堂课的质量和效果。因此,体育教师必须高度重视体育课的准备活动,注意培养学生养成在激烈运动前做准备活动的良好习惯。一、准备活动的作用准备活动从生理角度来说,通过身体练习可以提高中枢神经系统的兴奋性、提高体温,防止运动损伤、提高内脏器官的功能。由于准备活动的运动量小于课堂基本部分的运动量,所以能使心脏器官有一个适应过程,这样就能完全克服上课一开始就进入大运动量的活动而引起的头晕、恶心、呕吐等不良现象。准备活动从教学的角度来说,可以激发学生努力学习体育知识、熟练掌握体育技能的愿望。准备 In a physical education class, preparatory activities, although not the main part of the class, but it is directly related to the quality and effectiveness of a lesson. Therefore, physical education teachers must attach great importance to the preparatory activities of physical education, pay attention to cultivate students to develop good habits in preparation for the intense exercise. First, the preparation for the role of the preparatory activities From a physical point of view, through physical exercises can increase the excitement of the central nervous system, improve body temperature, prevent sports injuries and improve the function of internal organs. Because the amount of exercise preparation activities than the basic part of the classroom exercise, it can make a process of heart organ adaptation, so that we can completely overcome the beginning of the class into a large amount of activity caused by dizziness, nausea, vomiting and other undesirable phenomena. Preparatory activities from a teaching point of view, can stimulate students to study hard to learn physical education, the desire to master the skills of sports. ready