Physiological features of hypoventilation respiration in combination with physical exercises

The aim is to study the physiological characteristics of hypoventilation respiration in combination with physical exercises. Materials and methods. 26 young men, regularly engaged in physical training, took part in the survey. Test subjects were divided into 2 groups. The first group (14 people) was trained in hypoventilation respiration upon the experimenter's verbal instruction, the second group (12 people) was either trained in hypoventilation breathing but in combination with physical exercises. Before and after training in hypoventilation breathing, all test subjects took part in 2 similar examinations, where they were asked to perform exercises on a bicycle ergometer up to the breaking point (power 160 W). The condition of the test subjects was examined at rest and under stress testing. The ECG, pneumogram and volumetric parameters of external respiration were recorded. The saturation level of the arterial blood with oxygen was measured. Results. It has been shown that both hypoventilation respiration and hypoventilation respiration in combination with physical exercises turned to be impact techniques of high physiological efficiency. The method of hypoventilation respiration was more effective in terms of development of hypoxic resistance. It both refines physical performance of test subjects considering the tendency to increase the "physiological cost" and promotes activation of blood circulation and the "economization" of respiration. The method of hypoventilation respiration in combination with physical exercises turned to be more potent in terms of enhancement of physical performance of test subjects, but it made them increase the "physiological cost". It is also effective in terms of intensifying blood circulation, but the respiration becomes uneconomic - the vital capacity of lungs and pulmonary ventilation increase in this case. Conclusion. Hypoventilation respiration trainings in combination with physical exercises contributed to evident increase in physical workability of test subjects, and with additional study of the morphofunctional state of a locomotor apparatus, it can become an evidence-based medical and biological technology capable to increase the effectiveness of training and competitive activity of highly qualified athletes.

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