课的密度和课的负荷是提高体育课教学质量的关键问题之一,体育课中培养学生自我体育锻炼的能力,是当前学校体育改革中提出的新课题,它可以使学生终身受益。自我体育锻炼能力主要是由认识能力(包括学习、锻炼的动机,以及对体育知识、技术的理解和分析能力),运用、调控能力(包括运动负荷、心理负荷和动作姿势的自我调控)和自治能力(即从事自我体育锻炼的自我管理能力)等几个方面综合构成,但一节课的成功与否,主要是看教学效果。在日常的 The density of class and the load of class are one of the key issues to improve the teaching quality of physical education. The ability of cultivating students’ self-physical training in physical education is a new task proposed in the reform of school physical education at present, which can benefit students for life. Self-physical exercise ability is mainly composed of cognitive ability (including learning, exercise motivation, as well as the ability to understand and analyze sports knowledge, technology), use and regulation (including self-regulation of exercise load, psychological load and motion posture) Ability (that is engaged in self-exercise self-management ability) and several other aspects of the composition, but the success of a class or not, mainly to see the teaching effectiveness. In everyday life