University Study: Effect of Inhaling Concentrated Oxygen on Performance

For nearly a hundred years, various ways of inhaling oxygen in higher concentrations have been used to treat respiratory and circulatory problems.  The results of the study indicate that inhaling concentrated oxygen may have a positive effect on short-term recovery processes.  View the research on how inhaling concentrated oxygen impacts performance.

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Background: Hyperoxia (HYPER) increases O2 carrying capacity resulting in a higher O2 delivery to the working muscles during exercise. Several lines of evidence indicate that lactate metabolism, power output, and endurance are improved by HYPER compared to normoxia (NORM). Since HYPER enables a higher exercise power output compared to NORM and considering the O2 delivery limitation at exercise intensities near to maximum, we hypothesized that hyperoxic-supplemented high-intensity interval training (HIIT) would upregulate muscle mitochondrial oxidative capacity and enhance endurance cycling performance compared to training in normoxia.

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Read the Full Study at:  https://www.frontiersin.org/articles/10.3389/fphys.2019.00730/full

There have been several reports in the literature of the effects of oxygen on the respiration and performance during heavy work. The most extensive of these was by Asmussen & Nielsen (1946) who showed, among other things, that during moderately severe exercise on the bicycle ergometer the addition of oxygen to the inspired air resulted in a marked and sudden depression of the respiration.

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Read the Full Study at:  https://physoc.onlinelibrary.wiley.com/doi/epdf/10.1113/jphysiol.1954.sp005145/