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  • Title: [Reactions of the cardio-respiratory system of cosmonauts to dosed physical loads following 30- and 63-day flights in orbital station "Salyut-4"].
    Author: Beregovkin AV, Vodolazov AS, Georgievskiĭ VS, Kalinichenko VV, Korelin NV.
    Journal: Kosm Biol Aviakosm Med; 1976; 10(5):24-9. PubMed ID: 979117.
    Abstract:
    Cardiorespiratory responses of Salyut-4 crewmembers to exercises of 600 kgm/min performed for 7 min on a bicycle ergometer in the supine position were studied. It was found that the 30- and 63-day flights induced a certain decrease in the body response which included a less economic functioning of the cardiorespiratory system during exercise. The degree of postflight changes of the 30- and 63-day crewmembers was similar. At the same time the cardiorespiratory system of the 63-day crewmembers returned to the preflight level more rapidly than that of the 30-day cosmonauts.
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