which measured small amounts of O2 and CO2 expired air. (McArdle, Katch & Katch, 2001, p. li). From here on in technology has slowly evolved and today we have the aid of computers with exercise physiology software and other various pieces of electronic equipment. Technology has enabled and assisted us in developing fast and efficient testing procedures to measure maximal oxygen uptake.
             B: The effect of methodologies on the calculation of VO2max.
             Maximal oxygen uptake can be measured by way of either sub maximal or maximal testing protocols. Maximal testing involves the subject exercising to the point of volitional fatigue. Sub maximal testing is the more commonly used method due to risks involved and expensive equipment required when doing maximal testing. However, maximal tests provide a more accurate measure of VO2max and should be used when possible and appropriate. (Franklin, 2000, p. 69).
             The most common modes of exercise used during testing include treadmill running or walking, bench stepping, and sta
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