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Loading contentA device that applies suction to the lower body, pulling fluids back toward the legs as gravity would. It is studied as a countermeasure to the headward fluid shift and the eye changes of SANS.
The physiological effects this countermeasure targets.
Facts on this topic will be cited from these primary and reference sources.
Mission data, planetary science, space telescopes, and public-domain imagery.
Most NASA-produced imagery is in the public domain; individual items are checked for usage terms before publication.