Before revision: They demonstrated that through hypoventilation at low lung volume, that is the exhale-hold technique, it was possible, without leaving sea level, to decrease O2 concentrations in the blood and in the muscles at levels corresponding to altitudes above 2000 m. Physiological effects
After revision: !!!They demonstrated that through hypoventilation at low lung volume, that is the exhale-hold technique, it was possible, without leaving sea level, to decrease O2 concentrations in the blood and in the muscles at levels corresponding to altitudes above 2000 m. Physiological effects