Respiratory Determinants of Exercise Limitation
We examine 2 means by which the healthy respiratory system contributes to exercise limitation. These include the activation of respiratory and locomotor muscle afferent reflexes, which constrain blood flow and hasten fatigue in both sets of muscles, and the excessive increases in pulmonary vascular pressures at high cardiac outputs, which constrain O2 transport and precipitate maladaptive right ventricular remodeling in endurance-trained subjects.
Source: Clinics in Chest Medicine - Category: Respiratory Medicine Authors: Jerome A. Dempsey Source Type: research
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