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The athlete at high altitude.

R J Shephard

    Canadian Medical Association Journal
    |August 4, 1973
    PubMed
    Summary
    This summary is machine-generated.

    Moderate altitude training (7000-8000 ft) impacts performance due to wind and physiological changes. Optimal acclimatization is 2-3 days for physiological balance, but more research is needed on sea-level performance benefits.

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    Area of Science:

    • Sports Science
    • Altitude Physiology

    Background:

    • Athletes often train at moderate altitudes (7000-8000 ft) to enhance performance.
    • Altitude exposure presents unique physiological challenges and benefits.

    Purpose of the Study:

    • To determine the optimal acclimatization period for athletes at moderate altitudes.
    • To understand the physiological effects of moderate altitude exposure on athletic performance.

    Main Methods:

    • Analysis of physiological responses to moderate altitude.
    • Evaluation of factors influencing track times at altitude.

    Main Results:

    • Decreased wind resistance and physiological disturbances (mountain sickness, reduced maximum oxygen intake) affect performance.

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  • An optimal acclimatization period of approximately two to three days is suggested.
  • This period allows for cerebrospinal fluid acid-base balance adjustment while minimizing plasma and stroke volume disturbances.

    • Conclusions:

    • Two to three days of acclimatization may be optimal for moderate altitude training.
    • Further investigation is required to confirm if altitude training enhances sea-level competition performance.