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Astronauts exercise when in space because bone atrophy under conditions of weightlessness or lack of?
Wiki User
∙ 13y ago
my answer is gravity
Wiki User
∙ 13y ago
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What do astronauts do to stay healthy in space?
Aside from doing the same things that are required to stay healthy on Earth, there is exercise that needs to be done, since the weightless environment places so much less strain on the body that the whole skeletal system tends to atrophy without extra exercise.
How much exercise do astronauts need in space?
They need to exercise with regularity because the muscles begin to atrophy and bones begin to lose density . This present shuttle mission to the International Space Station brought the C.O.L.B.E.R.T. ( named after the comedian) which is an acronym for Combined Operational Load Bearing External Resistance Treadmill ; see related links .
What type of exercise do you need on the moon?
Since the moon has a much lower gravity than that of the Earth, you would definitely need exercise if you wanted to remain healthy while living on the moon. All types of exercise are good, but I would particularly recommend weight-lifting, so that your bones would receive enough stress that they won't start to atrophy.
What is the harmful effects of space travel?
Radiation is a potential hazard of space flight.On Earth, our atmosphere and magnetosphere help to protect life from solar & cosmic radiation,When people travel above the atmosphere, or beyond the magnetosphere, they are exposed to high levels of radiation.There are ways to protect astronauts and cosmonauts from radiation, but shielding is very heavy and for every pound of material placed into orbit, it cost several thousand dollars. So a balance has to be reached: cost/benefit.Weightlessness for a short duration flight won't cause too many problems, but for long duration flights, weightlessness can cause a loss of bone mass and excessive atrophy (wasting) of many of the muscles.
Why did astronauts back in 1960s return to earth with muscles so weak that they had difficulty walking when they returned to the earth?
After any period in a place where the force of gravity is less than on the surface of the earth (or nearly weightless in orbit), muscles will begin to atrophy. The longer in space the weaker you get becuase the muscles do not have to counter the force of gravity. This also includes the heart muscle so the astronauts must be monitored while in space and for a while after their return to earth.
Are astronauts' bodies affected by living in outer space for long periods of time?
Yes. There are many changes. Most notably, their muscles atrophy mainly because of weightlessness. Also, they are exposed to cosmic radiation.
What is the term used for astronauts loss of muscle mass?
atrophy
What is it called when a muscle decreases in size due to lack of exercise?
When a muscle decreases in size due to a lack of exercise, it is called disuse atrophy.
What happens to the muscle of astronauts who are in space of an extended period?
Astronauts' muscles atrophy in space due to the decreased work they do without Earth's gravity.
What do astronauts do to stay healthy in space?
Aside from doing the same things that are required to stay healthy on Earth, there is exercise that needs to be done, since the weightless environment places so much less strain on the body that the whole skeletal system tends to atrophy without extra exercise.
Sentence using the word atrophy?
It's important to do light exercise until you heal so your muscles won't atrophy.
How does Myocardial Atrophy affect the heart?
Myocardial atrophy is a condition where the heart chambers decrease in size. The heart muscle atrophy or shrink because of cancer or other similar conditions.
Why do Astronauts have to be very fit before going into space?
Why have scientists developed exercises for astronauts living in outer space for long periods of time? Due to lack of gravitational field all the systms of the body but especially the musculoskeletal system is affected, in terms of bone resorption. To mninimize the effects of zero gravity exercises are developed.
What happens to muscle cells over a period of time if you don't exercise?
They atrophy
How do you prevent muscle atrophy in space?
exercise for at least 30 minutes a day
Why bed confined patients have muscle atrophy?
Because the patients get little or no exercise.
A skeletal muscle may undergo as a result of lack of physical exercise?
atrophy
