Oxygen Uptake Measurements and Rate of Perceived Exertion during a Marathon.

Int J Environ Res Public Health · 2022 · PMC9104840 · PMID 35565153

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highly significantno p-value reported

In all runners (except runner 6), the respiratory rate showed a highly significant positive trend, while the tidal volume decreased.

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a negative trendno p-value reported

When we expressed the variables as a function of the RPE, we saw that all the variables showed a negative trend in all the runners ( Table 4 ).

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