For several decades the problem of prevention and correction of posture disorders in primary school children has not lost its relevance. Statistics show that 68-94 % of primary school students have posture disorders. A special place in the classification of posture disorders is occupied by a scoliotic posture. Such a statement indicates that health improving physical education does not fully solve the tasks assigned to it. Analysis of literature sources allowed us to establish two main reasons for the low effectiveness of prevention and correction of scoliotic posture in primary school children. The first reason relates to the low effectiveness of early diagnosis scoliotic posture, and the second reason is low overage of the aspects of the problem, revealing the model of periodization of fitness training with the children in the theory and practice of physical culture. The results of previous studies have allowed us to suggest ways to improve the effectiveness of prevention and correction of scoliotic posture in primary school children, namely: to expand the range of traditional methods of early diagnosis of scoliotic posture through motor and postural diagnostics; to use a nonlinear model of periodization of physical activity to create optimal conditions for leveling muscle imbalance and the formation of rational motor automatisms and patterns in the context of health training.
Epidemiological surveys reflect a negative trend in functional indicators for children’s physical health. In recent surveys it is experimentally proved that unlike other methods of training, high-intensity interval training (HIIT) produces prevailing positive effect onto the indicators of physical and functional condition of children with poor health. However, the review of studies suggests that the stated idea turns to be controversial. There is the evidence of possible negative effects of intense physical activity due to the low level biological reliability of adaptation mechanisms and other anatomical and physiological characteristics of children. Therefore, it is necessary to provide a scientifically based conceptual model of timeline for children’s health training in which the central health impetus will be HIIT.
The transformation of the education system is taking place in modern Russia. There is a transition to a flexible learning system, adapted to the educational needs of every person with any age, cultural, linguistic affiliation. Practical training disciplines are becoming increasingly important. Academic disciplines that form universal competencies are transferred to online learning. Physical Education is such disciplines. All theoretical training is translated online, and the share of classes in the gym is minimized. The purpose of this pilot study is to identify the actual mental state of students in the gym in the conditions of using game and competitive methods. In addition, an important task is to compare the well-being, activity and mood of students studying physical education in the gym and online. An adapted version of the Dembo-Rubinstein technique was used to diagnose such indicators of the current mental state as well-being, activity and mood. The dynamics of these indicators in the conditions of employment in the gym using game and competitive methods was studied using a formative experiment. It was established that real classes in the gym have a positive effect on the actual mental state of students. Most students have improved health, mood, and increased activity. At the same time, classes using the game method, in contrast to classes using the competitive method, are much more effective for activating students and improving their mood. Comparison of indicators of the actual mental state of students in real classes in the gym and online showed that classes in the gym are able to more effectively influence the mood and activity of students.
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