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How can this problem be fixed?

An experiment was done in 2009 testing the effects of Russia's diet and exercise standards for astronauts in space which helped answer this question.

References

Williams, D., Kuipers, A., Mukai, C., & Thirsk, R. (2009). Acclimation during space flight: effects on human physiology. Cmaj, 180(13), 1317-1323.

Trappe, S., Costill, D., Gallagher, P., Creer, A., Peters, J. R., Evans, H., D. A. Riley& Fitts, R. H. (2009). Exercise in space: human skeletal muscle after 6 months aboard the International Space Station. Journal of applied physiology, 106(4), 1159-1168.

Exercise effects on their calf muscles

The restraints held down 70% of their body weight

Their exercise routine

What is muscle atrophy and why does it happen to astronauts?

Nutritional deficiencies,

Microgravity, and

Stress, can cause the muscle to shrink in size but that does not necessarily mean there are less fibers.

What happens to people in space?

  • 2.5 hrs a day
  • 6 days a week
  • equipment: stationary bike treadmill

resistance devices

Their diet

Average calories: 1,874-2,902

Average fat: 33

Average protein: 18%

Average carbohydrates: 48

The muscles being measured are the calf muscles

What can be done with this information?

Results

Knowing ways to avoid the negative effects of space on astronauts can lead to longer missions with less physiological changes which will give them more time and opportunities to learn about space.

  • They lost an average of 13% muscle mass after four months
  • The other study stated that being in space beyond a month causes a muscle loss of 30%.
  • The decrease in muscle loss shows that the exercise and diet are effective.

Muscle loss in astronauts

Brittany Deal

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