Page 8, O2 Uptake, Exercise & Cor. Circ., Dr. D. Penney
One metabolic equivalent, or MET, is the normal oxygen uptake at rest. It is equal to 3.5 ml/kg body wt/min. The average sedentary individual can increase his/her oxygen uptake about 12 METs, that is at the V02 maximum. Above a certain V02, blood lactate begins to increase sharply, and carbon dioxide release rises abruptly - the anaerobic threshold. Trained athletes are capable of increasing their O2 consumption 18-22 METS.
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