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  • Title: Deconditioning during prolonged immersion and possible countermeasures.
    Author: Shulzhenko EB, Vil-Vilyams IF, Khudyakova MA, Grigoryev AI.
    Journal: Life Sci Space Res; 1976; 14():289-94. PubMed ID: 11977283.
    Abstract:
    Test subjects covered with a waterproof highly elastic cloth were exposed to 13-day water immersion up to the neck. They were divided into two groups. The first (control) group consisting of six persons was exposed to immersion alone and the second (experimental) group was exposed daily to accelerations of 0.6-2 Gz for 60-90 min during the last 6 days of immersion. Before and after immersion all the test subjects were exposed to +3 Gz for 5 min which served as a provocative test. These experiments give evidence that the use of dry immersion allows experimentation during prolonged immersion without concomitant complications. Variations in the physiological parameters (cardiovascular system, fluid-electrolyte balance, blood-coagulatory system) are indicative of the preventive effect of periodic accelerations during 13-day immersion.
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