控制论的创始人N·维纳曾说过:“任何有效行为必须由某种反馈过程来提供信息,看它是否达到预定目标”。教学过程是一种教育信息传递过程。在体育教学系统中,各要素都要借助于信息或反馈信息来进行联系,教师通过在教学过程中获得的大量反馈学生身体素质、身体机能、 N · Wiener, the founder of cybernetics once said: “Any effective act must be provided by some kind of feedback process to see if it reaches its intended goal.” Teaching process is a kind of educational information transfer process. In the PE teaching system, all the elements should make use of the information or the feedback information to make the contact. The teachers, through the massive feedback obtained in the teaching process, can make the students’ physical quality, body function,