Q&A

Can you not be an astronaut if you broke a bone?

Can you not be an astronaut if you broke a bone?

On a long-duration space flight, such as those planned for missions to Mars and beyond, bone loss can be a serious impediment. This loss may not hinder astronauts while they are in orbit, but upon return to Earth, their weakened bones will be fragile and at an increased risk of fractures.

How does space travel affect your bones?

Scientists have learned that spending time in microgravity decreases bone building. This results in bone loss similar to osteoporosis. Remember, astronauts experience microgravity when they are in space. In microgravity, there is not as much stress on astronauts’ bones.

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Can civilians become astronauts?

Astronaut Candidates are selected on an as needed basis. Both civilian and military personnel are considered for the program. Applicants, all of whom must be citizens of the United States, must meet a series of minimum requirements.

Can bones heal in space?

It appears that the closer space crew members can get to experiencing Earth-like physical activity, the healthier their bones and joints will remain and repair.

How do astronauts get their bone density back?

To reduce bone loss, astronauts must exercise for a minimum of 2 hours per day. On Earth, the best way to build bone mass is by taking part in load-bearing activities, such as walking, running, and playing basketball. In space, it is difficult to perform these activities due to microgravity.

Do bones heal faster in space?

On average, individuals “grow” a new skeleton every seven years, helping us to endure the conventional forces of Earth. In contrast, bone deteriorates much more rapidly in the weightlessness of space.

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Do astronauts regain bone mass after return from space?

Astronauts regain most of their bone mass in the months following their return from space, but not all of it. The exact mechanism that causes the loss of calcium in microgravity is unknown. Many scientists believe that microgravity somehow causes bone to break down at a much faster rate than it is built up.

What are the symptoms of a non displaced fracture of the wrist?

There is usually no visible deformity and only minimal swelling. Since there is no deformity, many people with this injury mistakenly assume that they have just sprained their wrist. If the fracture is non-displaced, it can be treated by immobilization in a cast that usually covers the forearm, hand, and thumb.

What can cause a broken hand?

Hand fractures can be caused by a direct blow or crushing injury. Motor vehicle crashes can cause hand bones to break, sometimes into many pieces, and often require surgical repair. Your risk of a broken hand may be increased if you participate in sports like football, soccer, rugby, or hockey.

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How do astronauts deal with sinus problems in space?

Since gravity isn’t there to help with sinus drain, astronauts have to deal with constant mucous buildup, making anyone in space feel like they’ve got a minor cold at all times. The only way to fix this is to blow their nose in order to drain it.

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