State of Zero Gravity

Known as: Gravity, Zero, Weightlessness, Zero Gravity 
Condition in which no acceleration, whether due to gravity or any other force, can be detected by an observer within a system. It also means the… (More)
National Institutes of Health

Papers overview

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Review
2008
Review
2008
Bone fracture occurs when the bone strength (i.e. the ability of the bone to resist a force) is less than the force applied to… (More)
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Highly Cited
2004
Highly Cited
2004
Skeletal muscles are vulnerable to marked atrophy under microgravity. This phenomenon is due to the transcriptional alteration of… (More)
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Highly Cited
1998
Highly Cited
1998
Extended exposure to weightlessness results in bone loss. However, little information exists as to the precise nature or time… (More)
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1996
1996
A Research Roundtable, organized by the American College of Sports Medicine with sponsorship from the National Aeronautics and… (More)
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Highly Cited
1993
Highly Cited
1993
To study the mechanism of bone loss in physical unloading, we examined indices of bone formation and bone resorption in the serum… (More)
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Highly Cited
1987
Highly Cited
1987
The skeletal response to simulated weightlessness was studied in rats subjected to two different methods of suspension. Skeletal… (More)
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Highly Cited
1985
Highly Cited
1985
Observations with three astronauts yielded two major findings. First, perceived self-motion during sinusoidal roll differed… (More)
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Highly Cited
1984
Highly Cited
1984
Unusual vestibular responses to head movements in weightlessness may produce spatial orientation illusions and symptoms of space… (More)
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Highly Cited
1984
Highly Cited
1984
Adaptation of motor control to weightlessness was studied during a 7-day spaceflight. The maintenance of control of upright… (More)
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Highly Cited
1979
Highly Cited
1979
Data have been accumulated from a series of studies in which men have been subjected to weightlessness in orbital space flight… (More)
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