Wednesday, 17 Oct 2018
Health

Scientists have told what will happen to the human body on Mars

Scientists have told what will happen to the human body on Mars Scientists evaluated the work of mitochondria using ex vivo respirometry

An international group of scientists was interested in the question: what will happen to the muscles in microgravity conditions? And to be precise, does hypoxia affect oxidative metabolism? Chronicle.Info with reference to Today .

Hypoxia – a decrease in oxygen in the body – can affect the work of muscles – this statement was tested in an experiment conducted by scientists from Germany, Sweden, Slovenia and other countries.

11 men took part in it. None of them was an athlete and had never competed in professional sports championships. All of them passed three different stages in a random order: bed rest with normoxia (standard concentration of oxygen in the environment), bed rest with hypoxia and outpatient withdrawal with low physical exertion during hypoxia.

Each phase lasted 21 days and was separated from others by a break in four months. During the bed rest, volunteers were forbidden to move – this, according to scientists, was in compliance with the conditions of microgravity.

After each stage, the participants performed an exercise to stretch one knee. Scientists evaluated the work of mitochondria using ex vivo respiration, that is, outside the body. According to their data, hypoxia will not worsen the indications obtained during bed rest, compared with the control group. Researchers believe that these data will help to understand how the muscles behave in microgravity on Mars, and in the future improve the training of astronauts.

Read also: Scientists talked about the taste of water on Mars

Experts from the research program The Planetary Habitat Simulation Study suggested that, perhaps, hypoxia does not affect muscles in local exercises. However, with the work of the whole body and the cardiovascular system, problems associated with lack of oxygen can also appear.

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