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  2. Effects of high altitude on humans - Wikipedia

    en.wikipedia.org/wiki/Effects_of_high_altitude...

    The effects of high altitude on humans are mostly the consequences of reduced partial pressure of oxygen in the atmosphere. The medical problems that are direct consequence of high altitude are caused by the low inspired partial pressure of oxygen, which is caused by the reduced atmospheric pressure, and the constant gas fraction of oxygen in ...

  3. Hypobaric chamber - Wikipedia

    en.wikipedia.org/wiki/Hypobaric_chamber

    Hypobaric chamber at the Biopol'H, in Catalonia (), used with patients and athletes who need treatment or training with reduced atmospheric pressure. A hypobaric chamber, or altitude chamber, is a chamber used during aerospace or high terrestrial altitude research or training to simulate the effects of high altitude on the human body, especially hypoxia (low oxygen) and hypobaria (low ambient ...

  4. Altitude training - Wikipedia

    en.wikipedia.org/wiki/Altitude_training

    Altitude training in the Swiss Olympic Training Base in the Alps (elevation 1,856 m or 6,089 ft) in St. Moritz.. Altitude training is the practice by some endurance athletes of training for several weeks at high altitude, preferably over 2,400 metres (8,000 ft) above sea level, though more commonly at intermediate altitudes due to the shortage of suitable high-altitude locations.

  5. Altitude tent - Wikipedia

    en.wikipedia.org/wiki/Altitude_tent

    An altitude tent is a sealed tent used to simulate a higher altitude with reduced oxygen.Living or training at altitude causes the body to adapt to the lower oxygen content by producing more oxygen-carrying red blood cells and hemoglobin, thus causing the body to adapt to the higher altitude and enhancing performance when returning to a lower altitude.

  6. High-altitude military parachuting - Wikipedia

    en.wikipedia.org/wiki/High-altitude_military...

    At high altitudes (greater than 22,000 feet or 6,700 metres), the partial pressure of oxygen in the Earth's atmosphere is low. Oxygen is required for human respiration and lack of pressure can lead to hypoxia .

  7. High altitude breathing apparatus - Wikipedia

    en.wikipedia.org/wiki/High_altitude_breathing...

    At very high altitude, from 3,500 to 5,500 metres (11,500 to 18,000 ft) arterial oxygen saturation falls below 90% and arterial P O 2 is reduced to the extent that extreme hypoxemia may occur during exercise and sleep, and if high altitude pulmonary edema occurs. In this range severe altitude illness is common. [2]

  8. Altitude sickness - Wikipedia

    en.wikipedia.org/wiki/Altitude_sickness

    Altitude sickness, the mildest form being acute mountain sickness (AMS), is a harmful effect of high altitude, caused by rapid exposure to low amounts of oxygen at high elevation. [ 1 ] [ 2 ] [ 3 ] People's bodies can respond to high altitude in different ways.

  9. High-altitude adaptation in humans - Wikipedia

    en.wikipedia.org/wiki/High-altitude_adaptation...

    Highlanders are thus constantly exposed to a low oxygen environment, yet they live without any debilitating problems. [23] One of the best-documented effects of high altitude on non-adapted women is a progressive reduction in birth weight. By contrast, the women of long-resident, high-altitude populations are known to give birth to heavier ...