Breathing patterns during progressive incremental cycle and treadmill exercise are different.
作者： Knud Kalsås , Einar Thorsen
DOI: 10.1111/J.1475-097X.2009.00874.X
关键词:
摘要: Perceived breathlessness at comparable minute ventilation (V(E)) is higher with cycling than running. Different use of the upper extremities and chest wall may influence breathing pattern. It was hypothetized that relationship between tidal volume (V(T)) V(E) throughout progressive incremental exercise different two modes exercise. Twelve well trained subjects (seven men) 20-25 years had maximal tests on a treadmill cycle ergometer days in random order. Heart rate, respiratory gases, V(T) were measured computerized testing system, data averaged over 20 s periods. The V(E)-V(T) characterized by maximum V(T), 30 l min(-1) (V(T30)), Hey plot least squares quadratic regression model. increase steeper V(T30) compared to V(Tmax) not different, but achieved lower cycling. Breathing strategies are running young subjects, mode must be accounted for normative studies
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