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Physiological effects of sustained acceleration.

L H Vogt1

  • 1DFVLR Institut fur Flugmedizin, Bonn-Bad Godesberg, FRG.

Life Sciences and Space Research
|January 1, 1976
PubMed
Summary
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Human physiological responses to sustained acceleration, including circulatory and respiratory changes, are reviewed. Factors influencing tolerance and protection methods like anti-g suits are discussed, focusing on high sustained Gz forces.

Area of Science:

  • Human physiology
  • Aerospace medicine
  • Biomechanics

Background:

  • Sustained acceleration poses significant physiological challenges to humans.
  • Understanding these challenges is crucial for aerospace operations and safety.

Purpose of the Study:

  • To review the literature on physiological and pathophysiological changes in humans under sustained acceleration.
  • To discuss factors affecting acceleration tolerance and protection strategies.

Main Methods:

  • Literature review of physiological and pathophysiological responses to sustained G-forces.
  • Analysis of circulatory, respiratory, and visual system changes.
  • Examination of factors influencing acceleration tolerance and protection methods.

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Main Results:

  • Sustained acceleration impacts circulatory and respiratory systems.
  • Visual disturbances are a common consequence.
  • Acceleration tolerance depends on G-force characteristics, environment, and subject condition.
  • Anti-g suits and posture changes offer protection.

Conclusions:

  • Human tolerance to sustained acceleration is multifactorial.
  • Effective protection strategies are essential for mitigating adverse effects.
  • Further research on high sustained Gz is warranted.