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The Responses Of Vo2, Vco2, Substrate Utilization And Maximal Performance To Long Duration Exercise, Michael Bitel
The Responses Of Vo2, Vco2, Substrate Utilization And Maximal Performance To Long Duration Exercise, Michael Bitel
Electronic Thesis and Dissertation Repository
Purpose: The purpose of this study was to compare and contrast the effects of a long duration exercise cycle (~3 h) by trained cyclists (RIDE) to a 3 h inactive period (SED) in recreationally active individuals (CONT) on VO2, VCO2, peak aerobic power, fat oxidation, anaerobic capacity (Wʹ), arterialised-capillary lactate concentration and maximal sustainable power (CP). Methods: Male cyclists (n=12) and male recreationally active individuals (n=7) performed both an incremental test to volitional fatigue (RAMP) and 3 min all-out tests on a cycle ergometer, pre- and post-RIDE/SED respectively. Results: Increased fat oxidation rates, and reductions in VO2peak, peak aerobic power …