Two days of hypoxic exposure increased ventilation without affecting performance.

@article{Racinais2010TwoDO,
  title={Two days of hypoxic exposure increased ventilation without affecting performance.},
  author={S{\'e}bastien Racinais and Gregoire P. Millet and Chikei Li and Bronwen Masters and Justin R Grantham},
  journal={Journal of strength and conditioning research},
  year={2010},
  volume={24 4},
  pages={985-91}
}
The aim of this study was to test the short-term effects of using hypoxic rooms before a simulated running event. Thirteen subjects (29 +/- 4 years) lived in a hypoxic dormitory (1,800 m) for either 2 nights (n = 6) or 2 days + nights (n = 7) before performing a 1,500-m treadmill test. Performance, expired gases, and muscle electrical activity were recorded… CONTINUE READING