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一、初中生男女个体差异使体育课男女分班教学成为必要初中男女生的生理机能有许多差异。一般来说,男生心脏体积大于女生10%～15%,脉搏频率比女生慢2～3次/分,血压比女生高0.67～1.33千帕(5～10毫米汞柱),每搏输出量比女生多10～15毫升,每分输出量多0.3～0.5升。因此,在体育教学中,教学项目选择、器械的大小与重量都应男女生有所区别。男生选择竞技性强,有一定强度的体育项目,如田径、篮球、足球等,女生则选择韵律性强、节
First, junior high school male and female individual differences in physical education class teaching of men and women become necessary Junior high school boys and girls have many differences in physiological functions. In general, the heart volume of boys than girls 10% to 15%, pulse rate slower than the girls 2 to 3 times / min, blood pressure higher than girls 0.67 to 1.33 kPa (5 to 10 mm Hg), stroke volume ratio Girls and more 10 to 15 ml, more output 0.3 to 0.5 liters per minute. Therefore, in the teaching of physical education, the choice of teaching items, the size and weight of instruments should be different between boys and girls. Boys choose competitive, have a certain intensity of sports, such as track and field, basketball, football, girls choose rhythm strong, section