The paper focuses on the observation and harmonious physical development of students, which is located in the general objectives of physical education classes. Nationally and globally there are numerous scientific papers on the subject. However, prevention of poor body posture it is far from being exhausted. On the contrary, the recent intensification in curricular and extracurricular activities is not consistent with the capabilities and possibilities of children, leading to various problems of the spine and at the same time the accelerated growth of body height. In this regard, we aim to achieve a specific swimming programme to ensure the normal growth and development of schoolchildren.