Logo image
Back
The Effects of Order of Exercise Intensity on Substrate Utilization and Excess Post-exercise Oxygen Consumption (epoc) During and Following Dual-intensity Exercise
Thesis   Open access

The Effects of Order of Exercise Intensity on Substrate Utilization and Excess Post-exercise Oxygen Consumption (epoc) During and Following Dual-intensity Exercise

Sara Ann Baggett
University of West Florida Libraries
Master of Science (MS), University of West Florida
2011

Metrics

8 File views/ downloads
119 Record Views

Abstract

The present study sought to determine the effects of order of intensity presentation on fuel selection and excess post-exercise oxygen consumption (EPOC) during and following dual-intensity exercise. Eight males (mean +- SD: age = 23+- 3 years, peak oxygen consumption [VO2] = 47.7 +- 2.5 ml. kg-1 . min-1, weight = 74 +- 7 kg) completed a VO2 peak test and two submaximal trials. Trials consisted of 15 min of high-intensity (75% VO2 peak) and 15 min of low-intensity (50% VO2 peak) running. The researcher measured baseline VO2 during the final 10 min of a 30-min rest period prior to each trial and heart rate (HR; beats/min), respiratory exchange ratio (RER), expired ventilation (VE; L/min) and rating of perceived exertion (RPE) during and following each trial. When subjects began with the greater intensity (Hi-Lo), the researcher observed a lower (p < 0.05) HR (168 vs. 173) and RPE (13.6 vs. 15.3) at the greater intensity and a lower (p < 0.05) RER at the lower intensity (.86 vs. .91). When subjects began with the lower intensity (Lo-Hi), the researcher observed (Lo-Hi) a greater (p < 0.05) EPOC; however, the increase in caloric expenditure was relatively small (~30 kcal).
pdf
Barriers and Strengths Surrounding HIV/AIDS Programs in Sub-saharan Africa1.31 MBDownloadView
Preprint Thesis pdf Open Access

Details

Logo image