Changes In Respiratory Muscle And Lung Function Following Marathon Running In Man

“Respiratory muscle fatigue has been reported following short bouts of high-intensity exercise, and prolonged, moderate-intensity exercise… However, links to functionally relevant outcomes such as breathing effort have been lacking. This study examined dyspnoea and leg fatigue during a treadmill marathon in nine experienced runners.”

Conclusion:

“Results confirm that prolonged moderate-intensity exercise induces inspiratory muscle fatigue. Furthermore, they suggest that the relative intensity of inspiratory muscle work during exercise makes some contribution to leg fatigue.”

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