Results 181 to 190 of about 1,879 (242)

Effect of simulated microgravity via head-down tilt on intracranial compliance, brain oscillations and cardiovascular autonomic modulation. [PDF]

Sci Rep
Mendes Zambetta R, De Favari Signini É, Catai AM, Benelli A, Angius L, Dos Santos TCR, Michaliski ES, de Oliveira LB, Ocamoto GN, Santarnecchi E, Frigieri G, Russo TL.   +11 more
europepmc   +1 more source

Microgravity and cancer cells: from molecular mechanisms to therapeutic strategies. [PDF]

Cell Death Discov
Yuan J, Zhang S, Xu Y, He C, Cai Z, Wang Z, Chen Q.   +6 more
europepmc   +1 more source

Combined Effects of Ketogenic Diet and Aerobic Exercise on Skeletal Muscle Fiber Remodeling and Metabolic Adaptation in Simulated Microgravity Mice. [PDF]

Metabolites
Chen J, Li W, Yu L, Zhang B, Li Z, Zou P, Ding B, Dai X, Wang Q.   +8 more
europepmc   +1 more source

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Simulated weightlessness for the ontogenesis of the otolith organ

Die Naturwissenschaften, 1968
Abstract : The critical phase of the otolith-organ-ripening within the embryo was used in a simulation experiment by setting frog eggs (Rana temporaria) and toad eggs (Bufo bufo) near the center of a rotating system with a horizontal axis. The experiment speeds were 100 and 160 r.p.m.; the eggs and tadpoles were subjected to maximal centripetal forces ...
W Briegleb
exaly   +3 more sources

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
openaire   +2 more sources

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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Changes of brain response induced by simulated weightlessness

Acta Astronautica, 1992
The characteristics change of brain response was studied during 15 degrees head-down tilt (HDT) comparing with 45 degrees head-up tilt (HUT). The brain responses evaluated included the EEG power spectra change at rest and during mental arithmetic, and the event-related potentials (ERPs) of somatosensory, selective attention and mental arithmetic ...
J, Wei, G, Yan, Z, Guan
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