Neurohumoral regulation of heart rate features in students during physical fitness tests
Bocharin I. Guryanov M. Kraynik V. Sarandev A. Dyussenova L. Kovylina R. Metalnikov A. Cherdanceva I. Balashkevich N. Vorozheikin A. Tyupa P. Sadykov R. Anisimov M.
July 2024Editura Universitatii din Pitesti
Journal of Physical Education and Sport
2024#24Issue 71610 - 1616 pp.
Understanding and assessing neural control of the human cardiovascular system during physical activity tests helps identify specific manifestations of this process and enhances training effectiveness. Purpose: This study evaluates neurohumoral regulation of heart rate in male students performing stress tests based on the European protocol for assessing physical fitness. Materials and methods: The study involved 75 male students aged 19.3±1.3 years from Volga Research Medical University. Volunteers had no specialized physical training or somatic pathologies. Their body mass index was in the range of 18.7–22.3 kg/m2. The heart rate variability of students was studied using the MedicalSoft Sports Testing System software and hardware complex. Before and after the exercise test, pulsograms were recorded in a sitting position. The recording duration was at least 5 minutes. Temporal and spectral indicators of heart rate variability and systemic hemodynamic parameters were determined. Physical exercises from European physical fitness tests were used as stress testing. All tests were performed at the maximum power applied by each subject. The duration of the break between exercises was 5 minutes. Results. It has been established that after performing physical exercises under stress testing conditions, significant shifts in hemodynamic parameters occur, accompanied by increased tension in regulatory systems and increased activity of the central regulatory circuit in terms of heart rate variability. Clustering of the subjects made it possible to identify three groups, among which the second group has the highest level of functional reserves and readiness for physical activity; in the first group, there is an increase in the central regulation of heart rhythm, which is accompanied by a pronounced increase in heart rate. In the third cluster, there is a predominance of low-frequency spectrum power, a significant decrease in temporal indicators of heart rate variability, and a sharp increase in heart rate. This indicates the lowest readiness of the subjects in this group for the presented physical activity. Conclusions. The use of acquired knowledge can increase the effectiveness of the educational and training process in connection with the individualization of the volume and intensity of physical activity performed by an athlete based on heart rate variability data.
functional reserves , heart rhythms , neural control of the cardiovascular system , neurohumoral regulation , physical activity , physical education
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Privolzhsky Research Medical University, Nizhny Novgorod, Russian Federation
Nizhny Novgorod State Аgrotechnological University, Nizhny Novgorod, Russian Federation
Altai State Pedagogical University, Barnaul, Russian Federation
Faculty of Public health, Medical University – Sofia, Bulgaria
Kazakh National Medical University named after S.D. Asfendiyarov, NCJSC, Almaty, Kazakhstan
Semey Medical University, NCJSC, Semey, Kazakhstan
Altai State Medical University, Barnaul, Russian Federation
Altai State University, Barnaul, Russian Federation
Kaliningrad Institute of Management, Kaliningrad, Russian Federation
Immanuel Kant Baltic Federal University, Kaliningrad, Russian Federation
Surgut State Pedagogical University, Surgut, Russian Federation
Saint-Petersburg State Agrarian University, St. Petersburg, Russian Federation
Privolzhsky Research Medical University
Nizhny Novgorod State Аgrotechnological University
Altai State Pedagogical University
Faculty of Public health
Kazakh National Medical University named after S.D. Asfendiyarov
Semey Medical University
Altai State Medical University
Altai State University
Kaliningrad Institute of Management
Immanuel Kant Baltic Federal University
Surgut State Pedagogical University
Saint-Petersburg State Agrarian University
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