Post on 26-Mar-2015
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Living and Working in Living and Working in Space on Space on STS-40 STS-40
Millie Hughes-Fulford Ph.D.Millie Hughes-Fulford Ph.D.
http://www.spacedu.comhttp://www.spacedu.com
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Crew of STS-40
Sid, Brian, Millie, Jim and Rhea at Ellington AFB ready to go to the Cape in the T-38
Flying to the Cape in the T-38
Changes that Occur in Space
• Space Adaptation Syndrome
• Space Anemia
• Loss of Muscle
• Loss of Bone
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Loss of OS Calcis BoneLoss of OS Calcis Bone
Apollo 14, 16, 18Apollo 14, 16, 18
Skylab 2Skylab 2
Skylab 4Skylab 4
Skylab 3Skylab 3
DAYS 10 20 30 40 50 60 70 80 90 DAYS 10 20 30 40 50 60 70 80 90
332211
00-1-1-2-2-3-3-4-4-5-5
% D
ensi
ty%
Den
sity
- 6- 6
What is Osteoporosis?What is Osteoporosis?
Osteoporosis is characterized by low bone mass and microscopic breakdown of bone tissue leading to increase in fractures
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Normal Bone Osteoporosis
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Stress Exercise Stimulates Stress Exercise Stimulates Bone Growth Bone Growth
GRAVITYGRAVITY
New Bone Growth
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Fracture Risk in Men and Women
Fractureline
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Factors That Influence Bone
• Lack of Exercise (mechanical stress)
• Inadequate diet• Lack of bone formation
in teenage years
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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
The commute ‘home’ from the lab through the tunnel was short...
15 seconds
What is this??
M. Hughes-Fulford