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  2. Intermittent positive pressure breathing - Wikipedia

    en.wikipedia.org/wiki/Intermittent_positive...

    Intermittent positive pressure breathing (IPPB) is a respiratory therapy treatment for people who are hypoventilating. While not a preferred method due to cost, [ 1 ] IPPB is used to expand the lungs, deliver aerosol medications, and in some circumstances ventilate the patient.

  3. Valsalva maneuver - Wikipedia

    en.wikipedia.org/wiki/Valsalva_maneuver

    The Valsalva maneuver is commonly believed to be the optimal breathing pattern for producing maximal force. It is frequently used in powerlifting to stabilize the trunk during exercises such as the squat , deadlift , and bench press , and in both lifts of Olympic weightlifting .

  4. Liquid breathing - Wikipedia

    en.wikipedia.org/wiki/Liquid_breathing

    Liquid breathing is a form of respiration in which a normally air-breathing organism breathes an oxygen-rich liquid which is capable of CO 2 gas exchange (such as a perfluorocarbon). [ 1 ] The liquid involved requires certain physical properties, such as respiratory gas solubility, density, viscosity, vapor pressure and lipid solubility, which ...