人们在从事比较剧烈运动之前,往往需要做一些准备活动,目的就是使学主在生理和心理上做好准备,克服神经机能惰性,加快运动神经传导作用和反应速度,使人体尽快地由安静状态进入工作状态,作为体育课中的准备活动,中小学体育教师一般都比较重视,但在实际教学运用中也还存在着一些问题。 Before engaging in strenuous exercise, people often need to do some preparatory activities aimed at making the students mentally and psychologically well prepared to overcome their neurological inertia, speed up the motor nerve conduction and the speed of response, so that the human body can move from a quiet state Into the working state, as the preparatory activities in physical education, primary and secondary physical education teachers are generally more attention, but there are still some problems in the actual teaching and use.