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Medicine & Science in Sports & Exercise:
Basic Sciences: Symposium: Physiological Adaptations and Countermeasures Associated with Long-Duration Spaceflights Restricted Physical Activity: an Update

Physiological adaptations and countermeasures associated with long-duration spaceflights

TIPTON, CHARLES M.; HARGENS, ALAN

Section Editor(s): Tipton, Charles M.

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Abstract

Since 1961, there have been more than 165 flights involving several hundred individuals who have remained in a space environment from 15 min to more than a year. In addition, plans exist for humans to explore, colonize, and remain in microgravity for 1000 d or more. This symposium will address the current state of knowledge in select aspects associated with the cardiovascular, fluid and electrolytes, musculoskeletal, and the neuroendocrine and immune systems. The authors will focus on responses, mechanisms, and the appropriate countermeasures to minimize or prevent the physiological and biochemical consequences of a microgravity environment. Since exercise is frequently cited as a generic countermeasure, this topic will be covered in greater detail. Models for simulated microgravity conditions will be discussed in subsequent manuscripts, as will future directions for ground-based research.

©1996The American College of Sports Medicine

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