Medical Graphics Corporation

Michael G Tyler

Russell G Acorn

David B Viele

A method for optimizing either fat utilization or cardiovascular performance during an exercise regimen includes the steps of using a cardiovascular exercise system to measure a subject's respiratory exchange ratio on a breath-by-breath basis and also locating the subject's anaerobic threshold. By locating a fat burning point as the point where the RER is a minimum less than 0.90 at a time when oxygen uptake is less than 55 percent of the peak oxygen uptake and then correlating that fat burning point with the existing heart rate, a fat burning zone can be established by taking that heart rate and adding and subtracting 10 percent from it. The work rate at the target heart rate can also be used to determine the zone. For enhanced cardiovascular performance training, the heart rate existing at the subject's anaerobic threshold is determined and it is set as the lower boundary for a zone whose upper boundary is that value plus 20 percent. The corresponding work rate at these heart rates can also be used to determine the zone.

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White Bear Lake, MN, United States of America

Michael G Tyler