Living and Working in Space on STS40

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Living and Working in Space on STS-40

• Millie Hughes-Fulford Ph.D.
• http//www.spacedu.com

? M. Hughes-Fulford
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Crew of STS-40
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Sid, Brian, Millie, Jim and Rhea at Ellington AFB
ready to go to the Cape in the T-38
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Flying to the Cape in the T-38
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Changes that Occur in Space

• Space Adaptation Syndrome
• Space Anemia
• Loss of Muscle
• Loss of Bone

? M. Hughes-Fulford
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Loss of OS Calcis Bone
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Skylab 2
0
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Density
Skylab 3
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Apollo 14, 16, 18
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Skylab 4
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DAYS 10 20 30 40 50
60 70 80 90
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What is Osteoporosis?

• Osteoporosis is characterized by low bone mass
  and microscopic breakdown of bone tissue leading
  to increase in fractures

? M. Hughes-Fulford
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Normal Bone Osteoporosis
? M. Hughes-Fulford
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Stress Exercise Stimulates Bone Growth
GRAVITY
New Bone Growth
? M. Hughes-Fulford
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Fracture Risk in Men and Women
Fracture line
? M. Hughes-Fulford
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Factors That Influence Bone

• Lack of Exercise (mechanical stress)
• Inadequate diet
• Lack of bone formation in teenage years

? M. Hughes-Fulford
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Studies on Bone

• Calcium level changes during flight
• Hormone changes during flight
• Metabolic studies of effects of spaceflight
• For studies on isolated osteoblasts go to
  http//www.spacedu.com

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The commute home from the lab through the
tunnel was short...

• 15 seconds

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What is this??
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? M. Hughes-Fulford