据浦东一位小学校长告诉我说:“在一次晨会中,竟有三名小学生晕倒,这件事引起校长和保健老师、其他老师的重视,纷纷分析晕倒原因和提出种种措施。同时也征求我的意见,希望能得到家长和社会的支持,打算搞一次社会调查。其实,小学生晕倒原因比较单纯,主要原因还是体质差,缺乏锻炼。平时很少站立集会,仅仅20分钟的晨会就支持不住,这是值得引起我们重视的。在国外某些国家对儿童锻炼抓得较紧,除了平时锻炼,如跑步、站立等耐力锻炼,还有特殊锻炼,如 According to a primary school principal in Pudong, I was told: ”In a morning meeting, as many as three primary school students fainted, the incident caused the principal and health teachers and other teachers to pay attention to the causes of the fainting and put forward various measures. I also seek my opinion, hoping to get the support of parents and the community, intends to engage in a social survey .In fact, the primary cause of fainting is relatively simple, mainly due to poor physical fitness, lack of exercise. Usually rarely standing rally, only 20 minutes of morning Will be unable to support, which is worth our attention .In some countries in foreign countries on children’s training more tightly, in addition to usual exercise, such as running, standing and other endurance exercise, there are special exercises, such as