中学年龄的运动量对保证一个人的健全发育具有重要的意义。体育运动在很大程度上决定机体的成长和发育、机能能力和工作能力的水平。在确定一昼夜平均的运动量时,要考虑到年龄和性别特点。最适宜的运动量应该全面地观察学生学习成绩的提高、健康状况的改善、工作能力和身体素质的提高。我们实验的目的,是分析并对普通中学高年级女学生的运动量提出论据,研究它对学生的健康、工作能力和身体素质的影响。为了实验,在九年级女学生中组织三个组。在少年体校和其它体育组织中从事过体育运动的学生不参加实验。所以在实验开始时,三个组的运动水平和身 The exercise of middle school age is of great significance to ensure the sound development of a person. Sports to a large extent determine the body’s growth and development, functional ability and ability to work level. In determining the average amount of exercise day and night, taking into account the characteristics of age and gender. The most appropriate amount of exercise should comprehensively observe the improvement of students’ academic performance, the improvement of health status, work ability and physical fitness. The purpose of our experiment is to analyze and analyze the physical activity of upper secondary school girls in ordinary secondary schools and to study their effects on their health, work ability and physical fitness. For the experiment, three groups were organized among grade nine female students. Students who have been involved in sports activities in juvenile sports schools and other sports organizations do not participate in the experiment. So at the beginning of the experiment, the exercise level and body of the three groups