Development Of Respiratory Muscle Contractile Fatigue In The Course Of Hyperpnoea

“This study assessed the development of inspiratory and expiratory muscle fatigue during normocapnic hyperpnoea.”


“During hyperpnoea, contractile fatigue of the diaphragm and abdominal muscles develops long before task failure and may trigger an increased recruitment of rib cage muscles.”

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Locomotor And Diaphragm Muscle Fatigue In Endurance Athletes Performing Time-Trials Of Different Durations

“Fatigue in leg muscles might differ between running and cycling due to inherent differences in muscle activation patterns. Moreover, postural demand placed upon the diaphragm during running could augment the development of diaphragm fatigue.”


“Diaphragm fatigue likely resulted from the large ventilatory load which is characteristic for both exercise modalities and which was higher in 15TTs than in 30TTs (+27 %, p < 0.01) while postural demand appears to be of less importance.”

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