Meaning of altitude training in English:
altitude training
noun
1Physical exercise carried out at moderately high altitude for at least several weeks, to achieve increased oxygen-carrying capacity of the blood and other physiological benefits of acclimatization to altitude, now especially before a sporting event.
2Training given to a pilot in how to fly at high altitudes.
Origin
Early 20th century; earliest use found in Progressive Medicine.
Are You Learning English? Here Are Our Top English Tips