Results 171 to 180 of about 1,315 (237)

A Singular Theory of Sensorimotor Coordination: On Targeted Motions in Space. [PDF]

J Neurosci
Opsomer L, Vandergooten S, Tagliabue M, Thonnard JL, Lefèvre P, McIntyre J.   +5 more
europepmc   +1 more source

Dielectric double shell characterization of yeast cells exposed to simulated microgravity. [PDF]

NPJ Microgravity
Yaram SDR, Bostic A, Srivastava SK.
europepmc   +1 more source

Integrating 3D Osteocyte Culture, Microgravity Simulation, and Fluid Flow Reveals Mechanisms of Osteocyte Mechanosensation and Calcium Signaling Altered by Disuse. [PDF]

Biomolecules
Yu K, Tuladhar A, Dankberg S, Dai C, McGee-Lawrence ME.   +4 more
europepmc   +1 more source

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Exercise response to simulated weightlessness

Acta Astronautica, 1979
Two bed rest analog studies of space flight were performed; one 14 d and the other 28 d in duration. Exercise response was studied in detail during the 28 d study and following both the 14 d and 28 d studies. This paper relates the results of these studies to physiologic changes noted during and following space flight.
C F, Sawin, J A, Rummel, M C, Buderer
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An upper arm model for simulated weightlessness

Acta Physiologica Scandinavica, 2000
This investigation examined the effects of 4 weeks of non‐dominant arm unloading on the functional and structural characteristics of the triceps brachii muscle of six normo‐active college‐age males (age: 23 ± 1 years, height: 176 ± 4 cm, weight: 76 ± 6 kg).
A C, Parcell, S W, Trappe, M P, Godard, D L, Williamson, W J, Fink, D L, Costill   +5 more
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The Effects of Simulated Weightlessness on Bone Maturation*

Endocrinology, 1987
In earlier studies we showed that elevating the hind limbs of growing rats for up to 2 weeks results in a temporary cessation of bone growth in the hind limbs and a transient fall in the serum levels of 1,25-dihydroxyvitamin D. To determine whether such skeletal unloading also retards the maturation of bone, as seen in vitamin D-deprived animals, we ...
D D, Bikle, B P, Halloran, C M, Cone, R K, Globus, E, Morey-Holton   +4 more
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Correlation of macro and micro cardiovascular function during weightlessness and simulated weightlessness

Acta Astronautica, 1988
The investigation of cardiovascular function necessarily involves a consideration of the exchange of substances at the capillary. If cardiovascular function is compromised or in any way altered during exposure to zero gravity in space, then it stands to reason that microvascular function is also modified.
P M, Hutchins, T H, Marshburn, T L, Smith, S W, Osborne, C D, Lynch, S J, Moultsby   +5 more
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Study of Temperature Homeostasis in Real and Simulated Weightlessness

Human Physiology, 2002
The analysis of the temperature (T) reaction of the body of healthy humans was carried out using the results of investigations with the thermometry technique under antiorthostatic hypokinesia (ANOH) (38 males in the studies of 14- to 49-day duration, eight females, 120 days), isolation in a regenerated gas environment (six males, 90 to 135 days), suit ...
N G, Lakota, I M, Larina
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Skeletal abnormalities in rats induced by simulated weightlessness

Metabolic Bone Disease and Related Research, 1982
A hypokinetic model has been developed which attempts to simulate the weightlessness experienced during space flight. Male rats (approximately 130 g) were suspended from the model with a head-down tilt for a two-week period. Total mechanical unloading of the hind limbs and partial unloading of the fore limbs occurred.
T J, Wronski, E R, Morey
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Effects of muscle electrostimulation during simulated weightlessness

Acta Astronautica, 1975
In a 45-day experiment test subjects were exposed to bed rest with their heads down at -4 degrees C. Twice a day their muscles of the stomach, back, femur, and shin were stimulated with electric current for 25-30 min. The value of muscle tension was close to their maximum voluntary contraction.
L I, Kakurin, B B, Yegorov, Y I, Il'ina, M A, Cherepakhin   +3 more
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