Space travel may reduce astronauts' exercise capacity due to change in cardiovascular function
Astronauts aboard the International Space Station or those on long-duration space flights, such as journeys to Mars or deep space are likely to have a 30 and 50 percent decline in exercise capacity because of a decrease in the way oxygen moves through the body, say researchers. New York: Astronauts aboard the International Space Station or those on long-duration space flights, such as journeys to Mars or deep space are likely to have a 30 and 50 percent decline in exercise capacity because of a decrease in the way oxygen moves through the body, say researchers. The findings showed that astronauts’ heart and small blood vessels are not as effective at transporting oxygen to the working muscle during space flights. For the study, detailed in the Journal of Applied Physiology, the team used NASA’s Johnson Space Center data on nine male and female astronauts who spent about six months aboard the ISS.
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