Reactivity of Central Haemodynamics when Breathing with Resistance among the Representatives of Various Cyclic Sports

S. V. Hrechukha, S. A. Kovalenko, A. A. Bezkopylnyi, V. P. Hatsenko

Abstract


The reactivity of cardio-vascular system reactions was investigated according to the parameters of central haemodynamics among the sportsmen of various cyclic sports of aerobic orientation training when breathing with additional resistance of 25 cm H2O at inhalation, exhalation and inhalation-exhalation. Three groups of highly qualified sportsmen (Candidates to Master of Sport, Masters of Sport, International Class Masters of Sport) aged 16-25 took part in the investigation at the preparatory stage of training. Group 1 involved 12 sportsmen having the specialization of rowing, kayaking and canoeing; group 2 – 12 athletes specializing in middle- and long-distance race; group 3 – 10 sportsmen having significant swimming loading at preparatory stage and specializing in triathlon and multisport race. The reactivity (the change of parameters contrasting with the background) of most haemodynamics features when breathing with resistance was found to be characterized with significant individual features and depended on the sportsmen’s specialization. The reactivity of central haemodynamics at exhalation with resistance among the sportsmen with strict regulation of respiration to motor activity and with difficulty exhaling had reliable difference with the sportsmen whose pulmonary ventilation was not restricted to external factors and upper limbs work (track-and-field). 

Keywords


central haemodynamics; resistance to respiration; cyclic sports

References


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