近几年研究发现,我国青少年学生体质健康水平持续下降,已经引起各方面的高度关注。提高青少年学生的体质健康水平需要各方面的共同努力。体育课是增进学生健康、提高学生运动的重要途径。因此,体育课在青少年学习和成长过程中变得尤为重要。而我们在体育运动之前,往往需要做一些准备活动。一、准备活动对学生生理及心理起到很重要的作用准备活动是体育课的开始阶段,学生身体处于相对安静的状态,如果一开始就投入到强烈的体育运动,学生身体会感到不适, In recent years, the study found that the physical health of our young students continued to decline, has aroused great concern in all aspects. To improve the health level of young students needs all aspects of joint efforts. Physical education is an important way to improve students’ health and improve student’s movement. Therefore, physical education becomes particularly important in adolescent learning and growth. And we often need to do some preparatory activities before sports. First, the preparatory activities of the students play a very important role in physical and psychological Preparation of activities is the beginning of physical education, the students in a relatively quiet body state, if from the beginning into a strong physical activity, the students will feel uncomfortable,