The role of artificial gravity in the exploration of space.
Terrestrial animals including the human require regular periodic gravitational (g) stimulation to maintain normal physiologic functions on earth or in space.  Identical g stimulations can be produced in space with inertial forces (G) using a centrifuge.  These stimulations may be made more efficient in preventing physiologic deconditioning by increasing G levels above 1 G.  The effective operational use of the centrifuge in space to prevent physiologic deconditioning from microgravity exposures will require ground-based studies using weightless simulation such as bedrest or dry immersion with laboratories that have human-use centrifuges.  The use of periodic, increased-G exposures in space may offer a practical inexpensive solution in preventing physiologic deconditioning.
Burton
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Armstrong Laboratory, Brooks Air Force Base, Texas 78235-5118, USA.
D000337:Aerospace Medicine; D002498:Centrifugation; D006112:Gravitation; D018470:Gravity, Altered; D006801:Humans; D008962:Models, Theoretical; D010507:Periodicity; D013026:Space Flight; D014893:Weightlessness / Q000009:adverse effects; D018544:Weightlessness Countermeasures