Workshop on Exercise Prescription for Long-Duration Space Flight

Bernard A. Harris (Jr.)

tammi 1989 · NASA, National Aeronautics and Space Administration, Office of Management, Scientific and Technical Division

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The National Aeronautics and Space Administration has a dedicated history of ensuring human safety and productivity in flight. Working and living in space long term represents the challenge of the future. Our concerns are no longer getting a man into space but in determining the effects on the human body of living in space. Space flight provides a powerful stimulus for adaptation, such as cardiovascular and musculoskeletal deconditioning. Extended-duration space flight will influence a great many systems in the human body. We must understand the process by which this adaptation occurs. The NASA is agressively involved in developing programs which will act as a foundation for this new field of "space medicine." The hallmark of these programs deals with prevention of deconditioning, currently referred to as "countermeasures to zero g." Exercise appears to be most effective in preventing the cardiovascular and musculoskeletal degradation of microgravity. This document is a culmination of discussions from an exercise workshop held at the NASA Johnson Space Center. The proceedings from this session provide a comprehensive review of the physiology of exercise and recommendations on the use of exercise as a countermeasure for adaptation to a microgravity environment.