Key result
Long-term navigation is linked to decreased cardiovascular reserves and slower physical recovery in naval cadets.
Why the study?
To reveal the features of cardiovascular system functional reserves in naval cadets under the conditions of a long voyage.
Does long-term navigation affect cardiovascular system functional reserves in naval cadets?
Observational (n=70)
No
Does long-term navigation affect cardiovascular system functional reserves in naval cadets?
Long-term navigation beyond three months is associated with a decrease in cardiovascular functional reserves in naval cadets.
Long-term voyages may reduce cadet cardiovascular reserves after 3 months; hypothesis-generating and requires prospective confirmation before guiding monitoring.
Aim : to reveal the features of cardiovascular system functional reserves in naval cadets under the conditions of a long voyage. Materials and methods . 70 cadets undergoing training and sailing practice for 165 days on Sedov training and sailing ship were studied. Cardiovascular system reserves were determined once a month indices before taking over the watch. The results were elaborated using the SPSS program, v 17.0 (IBM). Results and their discussion . On the first, second, and third months of the voyage, the naval cadets retained the functional reserves of the cardiovascular system, which is indicated by the typical normotonic reaction in its activity in response to physical activity. On the fourth and fifth, the cadets showed signs of a decrease in the reserves of the cardiovascular system, which is manifested by a slower recovery after standard physical activity, a decrease in the inotropic reserve index and an increase in the chronotropic reserve index.
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Гудков et al. (2021) conducted an observational in Healthy (naval cadets) (n=70). Long-term navigation was evaluated on Cardiovascular system functional reserves. Long-term navigation for 4 to 5 months decreased cardiovascular reserves in naval cadets, manifested by slower recovery after physical activity and altered inotropic and chronotropic indices.
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