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初中生正处于身体发育的第二次高峰阶段,是生理上蓬勃成长、急遽变化的时期.这个时期的青少年,身体形态和身体机能、运动机能都得到迅速发展.同时中学生的性成熟过程已经开始,并由此引起了机体的形态、机能和心理上的改变.初中学生的生理、心理特点对搞好体育教学关系极大.一、初中生在体育活动中的生理特点1.身体形态方面初中生的身高、体重、胸围、肩宽、脊柱、骨盆等都在迅速增长.人的下肢的生长规律是:开始增长得慢,后来增长得快.进入青春期后,下肢的长势达到最快阶段,这是决定身体高矮的关键时期.由于下肢增长加快,增大了下肢在身高中的比例,
Junior high school students are in the second peak stage of physical development. They are physiologically prosperous and impulsive. The youth, physical form, physical function, and motor function have all developed rapidly. At the same time, sexual maturity of middle school students has begun. , And thus caused the body’s shape, function and psychological changes. The physiological and psychological characteristics of junior high school students do a great job in the relationship between physical education. First, the physiological characteristics of junior high school students in sports activities 1. The junior middle school physical form Health, height, weight, chest circumference, shoulder width, spine, pelvis, etc. are growing rapidly. The growth pattern of human lower limbs is: it begins to grow slowly and then grows faster. After entering puberty, the growth of lower limbs reaches the fastest stage. This is a crucial period for determining the height of the body. Due to the accelerated growth of the lower limbs, the proportion of lower limbs in height is increased.