一、提高对准备活动的认识准备活动是指在运动训练或比赛前为正式运动做准备而进行的各种身体练习。做好准备活动,能使人体从安静状态逐渐兴奋起来,激发中枢神经系统的兴奋性,动员和提高各器官系统的机能,克服身体机能活动的生理惰性,以适应剧烈运动的需要。人体在剧烈运动时需要肌肉快速而准确地收缩和放松,心脏为适应肌肉的剧烈运动需要而被迫紧 First, to raise awareness of preparatory activities Preparatory activities refer to a variety of physical exercises performed in preparation for a formal sport before a sport training or competition. Prepare for the activity, enabling the body gradually excited from a quiet state, stimulate the excitement of the central nervous system, mobilize and improve the function of various organ systems, physical activity to overcome the physical inertia to meet the needs of strenuous exercise. In strenuous exercise, the human body needs to quickly and accurately shrink and relax the muscles, and the heart is forced to adapt to the strenuous exercise needs of the muscles