Assessment of Human External Respiration Parameters in Simulated Lunar Gravity and Microgravity

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Resumo

The paper presents main results of experiments devoted to studying the influence of simulated microgravity and lunar gravity on the function of external respiration in humans. It has been shown that influence of human exposure to head-down bed rest (a model of the physiological effects of microgravity) and head-up bed rest (a model of the physiological effects of lunar gravity), similar to the influence of a horizontal position (bed rest), leads to a clinically insignificant decrease in the main respiratory parameters in the first hours of these analogue ground-based investigations. Subsequently, during hypokinesia, the marked changes are gradually levelled out. After cessation of experimental exposures, parameters of external respiration function are at the level of background values.

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Sobre autores

A. Puchkova

Institute of Biomedical Problems of the RAS

Autor responsável pela correspondência
Email: alina.a.puchkova@gmail.com
Rússia, Moscow

V. Katuntsev

Institute of Biomedical Problems of the RAS

Email: alina.a.puchkova@gmail.com
Rússia, Moscow

A. Shpakov

Institute of Biomedical Problems of the RAS

Email: alina.a.puchkova@gmail.com
Rússia, Moscow

D. Stavrovskaya

Institute of Biomedical Problems of the RAS

Email: alina.a.puchkova@gmail.com
Rússia, Moscow

G. Primachenko

Institute of Biomedical Problems of the RAS

Email: alina.a.puchkova@gmail.com
Rússia, Moscow

V. Baranov

Institute of Biomedical Problems of the RAS

Email: alina.a.puchkova@gmail.com
Rússia, Moscow

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2. Fig. 1. Relative changes in the main spirometric parameters obtained after 7 h of orthostatic (OH), anti-orthostatic (ANOG) and horizontal hypokinesia (HH) exposure. Bold font indicates the parameters GEF, FGEF, and SPEF1, the change of which after 7 h of experimental exposure reached the level of reliability (p < 0.05) compared to the background values in all three experimental models

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