Excess Post-Exercise Oxygen Consumption
Dr. Mark Northuis
Anaerobic metabolism primarily meets the body’s energy demands at the onset of exercise until aerobic metabolism is able to sufficiently supply ATP. The portion of energy that aerobic metabolism is unable to supply is termed oxygen deficit. Sixteen collegiate track runners (age 18-23 years) participated in a study to determine the effect of traditional middle distance and long distance training on the respective training groups’ oxygen deficit values. A short-term (4 minute) treadmill test was used to determine the differences in oxygen deficit and cardio-respiratory values of two training groups. Changes in oxygen deficit over an 8-week aerobic training were measured via area-under-the-curve calculations and comparisons were made between the middle distance and distance training groups’ physiological responses.
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