Attenuated Inspiratory Muscle Metaboreflex In Endurance-Trained Individuals

“The inspiratory metaboreflex is activated during loaded breathing to task failure and induces sympathetic activation and peripheral vasoconstriction that may limit exercise performance. Inspiratory muscle training appears to attenuate the inspiratory metaboreflex in healthy subjects. Since whole body aerobic exercise training improves breathing endurance and inspiratory muscle strength, we hypothesized that endurance-trained individuals would demonstrate a blunted inspiratory muscle metaboreflex in comparison to sedentary individuals.”

Conclusion:

“Data demonstrate that endurance-trained individuals have an attenuated inspiratory muscle metaboreflex.”

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