The level of functional reserve of the cardiovascular system of students of sports games sections.
Authors:   V.N.Karazin  Kharkiv  National  University, Temchenko Volodymyr , Tymchenko Anna ,   V.N.Karazin  Kharkiv  National  University, Litvinova Anastasiia ,   V.N.Karazin  Kharkiv  National  University, Mihaylo Lendjel ,   V.N.Karazin  Kharkiv  National  University, Mananchikov Anatolij ,   V.N.Karazin  Kharkiv  National  University
Published: November 2023

The level of functional reserve of the cardiovascular system of students of sports games sections. The aim of the workis to determine the level of functional reserve of the cardiovascular system of students according to the indicators of the Rufier test with the construction of a functional pulse curve.Work materials. The study of the level of functional reserve of the cardiovascular system of students according to the Rufier test during physical education classes in the sections of sports games was held at the Department of Physical Education and Sports of Kharkiv National University named after VN Karazin.The study group consisted of 40 male students aged 18-21 who are engaged in basketball, volleyball and futsal. The methodological approach in this paper is based on the methods of pulsometry using pulse oximeters, the level of endurance (reserve) of the cardiovascular system during exercise using the Rufier test, as well as methods of mathematical analysis and statistical data processing. To assess physical activity during independent work, the method of questionnaires was used using the electronic course "Physical Education", located on an open university platformLMS Moodle. Results.The study of the assessment of changes in the state of the cardiovascular system before the action of dosed physical activity using the Rufier test showed an average value of 8.4 units, which indicates good adaptive capacity of the cardiovascular system. The distribution of ratios according to the Rufier index in the group showed that the result was "excellent" in 15±8% of students; "Good" -50±11% of students; "Satisfactory" -in 35±11% of students.Conclusions.1. The analysis of literature data showed that the formation of the need for physical improvement is an urgent issue today and should be a long-term positive result of all activities in physical education. The basis for the implementation of physical improvement by students is self-education, which determines a person's attitude to their physical development and health, especially when attending sports sections, in particular, taking into account their own preferences. 2. The reaction of the cardiovascular system to the dosed physical activity according to the Rufier index, which was 8.4 units, was established, which indicates good adaptive capabilities of the cardiovascular system to the action of physical activity.3. It is proposed to use sets of physical exercises as a means of correcting the health of students with impaired health in the conditions of free economic zone, which include: 1) creation of new sets of physical exercises taking into account the level of adaptation of students; 2) introduction of systematic control over the state of health (using the electronic monitoring system); 3) construction of the educational process taking into account the level of adaptation and state of health; 4)development of new differentiated curricula in physical education, taking into account the age and individual abilities of students.