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Intermittent hypoxic therapy, also known as intermittent hypoxic training (IHT), is a technique aimed at improving human performance by way of adaptation to reduced oxygen. An IHT session consists of an interval of several minutes breathing hypoxic (low oxygen) air, alternated with intervals breathing ambient (normoxic) or hyperoxic air.
Intermittent hypoxia (also known as episodic hypoxia) is an intervention in which a person or animal undergoes alternating periods of normoxia and hypoxia. Normoxia is defined as exposure to oxygen levels normally found in Earth's atmosphere (~21% O 2 ) and hypoxia as any oxygen levels lower than those of normoxia.
Hypoxic Training Index (HTi) can be used to measure the delivered therapeutic dosage over the training session. The underlying mechanisms of adaptation to mild, non-damaging, short-term (minutes) hypoxic stress (also called - intermittent hypoxic training ) are complex and diverse, [ 2 ] but are part of normal physiology and are opposite to ...
HTi : Hypoxic Training index, t : period of time, and SpO2 (t) : SpO2 (%), arterial oxygen saturation value measured at one-second intervals. How the HTi is calculated: Only part of the IHT session is shown, the targeted SpO2 value is 80% as an example. The filled part of the SpO2 graph represents the amount of hypoxia delivered, “dosage”.
Mild, non-damaging intermittent hypoxia is used intentionally during altitude training to develop an athletic performance adaptation at both the systemic and cellular level. [5] Hypoxia is a common complication of preterm birth in newborn infants. Because the lungs develop late in pregnancy, premature infants frequently possess underdeveloped ...
Hypoventilation training is a physical training method in which periods of exercise with reduced breathing frequency are interspersed with periods with normal breathing. The hypoventilation technique consists of short breath holdings and can be performed in different types of exercise: running, cycling , swimming, rowing , skating , etc.
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.
IHT may refer to: . International Herald Tribune newspaper; Intermittent hypoxic training, respiratory therapy; Inheritance tax in the United Kingdom; Institution of Highways and Transportation, former name of UK Chartered Institution of Highways and Transportation