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Applied physiology of diving.

Y C Lin1

  • 1Department of Physiology, University of Hawaii, Manoa, Honolulu.

Sports Medicine (Auckland, N.Z.)
|January 1, 1988
PubMed
Summary

Human diving physiology is limited, but understanding the diving reflex and its effects, like breath-hold and immersion responses, can improve safety and clinical applications. These insights also aid in understanding conditions like sleep apnea and drowning.

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Area of Science:

  • Physiology
  • Sports Medicine
  • Diving Science

Background:

  • Human physiological limitations restrict recreational diving capabilities.
  • Understanding these limits enhances diver safety and enjoyment.
  • The diving reflex, a response to breath-hold diving conditions, has significant physiological effects.

Purpose of the Study:

  • To explore the physiological responses to breath-hold diving.
  • To investigate the clinical applications of diving-induced physiological changes.
  • To compare human diving capabilities with marine mammals.

Main Methods:

  • Analysis of physiological effects of head-out water immersion, apnoea, and cold stress.
  • Review of clinical applications derived from diving research.
  • Comparison of human physiological constraints with marine mammal diving abilities.

Main Results:

  • Humans exhibit weak diving responses without oxygen conservation.
  • Head-out water immersion increases stroke volume and cardiac output.
  • Diving research offers insights into arrhythmias, drowning, and sleep apnoea.

Conclusions:

  • Diving physiology presents limitations but offers clinical benefits.
  • Understanding the diving reflex is crucial for diver safety and medical applications.
  • Diving research provides valuable data for space travel and understanding physiological responses.

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