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Related Experiment Videos

Oxygen manipulation as an ergogenic aid.

Heikki K Rusko1, Heikki O Tikkanen, Juha E Peltonen

  • 1KIHU-Research Institute for Olympic Sports, Rautpohjankatu 6, 40700 Jyväskylä, Finland. heikki.rusko@kihu.jyu.fi

Current Sports Medicine Reports
|July 2, 2003
PubMed
Summary

High-altitude training benefits are debated. Sleeping at moderate altitude and training at sea level (HiLo) may enhance red blood cell mass and sea-level performance, but requires specific conditions.

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Area of Science:

  • Sports Medicine
  • Exercise Physiology
  • Altitude Training

Background:

  • High-altitude training (HiHi) benefits for sea-level performance are controversial.
  • While HiHi boosts red blood cell mass (RCM), hypoxic training can be insufficient or detrimental.
  • Existing research presents conflicting outcomes regarding HiHi efficacy.

Purpose of the Study:

  • To evaluate the efficacy of different altitude training strategies.
  • To determine optimal conditions for altitude training to enhance sea-level performance.
  • To investigate the impact of hypoxia on physiological adaptations and performance.

Main Methods:

  • Review of controlled studies on high-altitude training (HiHi) and high-low training (HiLo).
  • Analysis of physiological responses, including red blood cell mass (RCM) and VO2max.

Related Experiment Videos

  • Examination of training duration, altitude exposure, and simulated altitude parameters.

    • Main Results:

    • High-low (HiLo) training, involving sleeping at moderate altitude and training at sea level, shows promise.
    • HiLo training can increase RCM and sea-level VO2max in responders.
    • Optimal HiLo requires >12 hours/day for >3 weeks at 2100–2500m.

    Conclusions:

    • The HiLo training approach may offer a superior method for altitude adaptation compared to traditional HiHi.
    • Specific prerequisites, including duration and altitude exposure, are crucial for HiLo effectiveness.
    • Hypoxic effects on performance are transient, necessitating strategic timing of training and competition.