A metabolic study of important body elements, particularly those of the musculoskeletal system, was carried out on the astronauts of the Skylab 3 mission during the preflight, inflight, and postflight phases. An elevation in the level of urinary calcium similar to that observed in the 28-d Skylab flight continued throughout the flight. Significant nitrogen and phosphorus losses, apparently associated with muscle tissue loss, occurred in spite of inflight exercise programs. On the basis of these results it is predicted that capable musculoskeletal function is likely to occur in flights longer than about 9 months in duration.


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    Title :

    Mineral and nitrogen balance study observations - The second manned Skylab mission


    Contributors:
    Whedon, G. D. (author) / Reid, J. (author) / Lutwak, L. (author) / Rambaut, P. C. (author) / Whittle, M. W. (author) / Smith, M. C. (author) / Leach, C. (author) / Stadler, C. R. (author) / Sanford, D. D. (author)

    Publication date :

    1976-04-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




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