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Keywords: microgravity
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Journal Articles
J Exp Biol (2017) 220 (20): 3621–3631.
Published: 15 October 2017
... – are these fishes responsive to gravitational loading? Contrary to the tetrapod-origin hypothesis, we found that terrestrial acclimation reversibly increased gill arch stiffness (∼60% increase) in the amphibious fish Kryptolebias marmoratus when loaded normally by gravity, but not under simulated microgravity...
Includes: Supplementary data
Journal Articles
J Exp Biol (2014) 217 (18): 3200–3203.
Published: 15 September 2014
... Locomotion Preferred transition speed Microgravity Froude number In humans and other bipeds, the preferred transition speed (PTS) is the speed at which a subject chooses to change from a walking gait to a running gait. Here, walking is defined as a gait in which at least one foot is in contact...
Journal Articles
J Exp Biol (2001) 204 (23): 4107–4113.
Published: 1 December 2001
..., a better understanding of energy metabolism during space flight is essential for making accurate estimates of the energy requirements of astronauts on long-term missions. indirect calorimetry microgravity rat energy expenditure physical activity. © The Company of Biologists Limited 2001...
Journal Articles
J Exp Biol (2001) 204 (18): 3201–3208.
Published: 15 September 2001
.... Studies on both rats and humans demonstrate a rapid loss of cell mass with microgravity. In rats, a reduction in muscle mass of up to 37% was observed within 1 week. For both species, the antigravity soleus muscle showed greater atrophy than the fast-twitch gastrocnemius. However, in the rat, the slow...
Journal Articles
J Exp Biol (2001) 204 (18): 3209–3215.
Published: 15 September 2001
...Donald E. Watenpaugh SUMMARY Space flight exerts substantial effects on fluid volume control in humans. Cardiac distension occurs during the first 1–2 days of space flight relative to supine and especially upright 1 g conditions. Plasma volume contraction occurs quickly in microgravity, probably...
Journal Articles
J Exp Biol (2001) 204 (18): 3217–3224.
Published: 15 September 2001
...V. R. Edgerton; G. E. McCall; J. A. Hodgson; J. Gotto; C. Goulet; K. Fleischmann; R. R. Roy SUMMARY Motor function is altered by microgravity, but little detail is available as to what these changes are and how changes in the individual components of the sensorimotor system affect the control...