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Title: [Aerobic functional capacity in normal subjects]. Author: Alatriste VM, Salazar E. Journal: Arch Inst Cardiol Mex; 1976; 46(6):733-49. PubMed ID: 1023831. Abstract: The functional evaluation of a subject may be performed by measurement of the functional aerobic capacity by means of exercise-stress tests. The maximal oxygen consumption (VO2 max) is the best parameter to establish this. The values of VO2 max were determined in twenty-five normal subjects, residents of Mexico City. There were twenty men and five women whose ages ranged between the third and fourth decades of life. A maximal exercise-stress test was performed in a treadmill, with constant inclination and progressive speed increments. Electrocardiogram and blood pressure were monitorized at rest, during exercise and in the recovery period. Four collections of espired gas were obtained, one at rest and three at different levels of exercise. VO2/kg. at rest (the value of one met) was 3.49+/-0.58 ml/kg. min. for the whole group somewhat lower for males (3.37+/-0.53 ml/kg. min.) than for female subjects (3.99+/-0.51 ml/kg. min.). These results are comparable to the ones informed in the literature. VO2 max/kg. was 27.8+/-5.57 ml/kg. min. for the entire group and 28.0+/-5.64 and 27.3+/-5.94 ml/kg. min. for men and women respectively. The values of VO2 max/kg. are definitely lower than the ones obtained from normal subjects in other countries. Considerations are made on the possible causes of this discrepancy. A linear correlation was found between VO2/kg or mets in one side and load imposed, cardiac rate or double product (pulse-pressure) in the other. The different VO2 max/kg. values found in this study as compared to the results obtained from other countries, serve to emphasize the need for each laboratory to establish its own normal values and to construct nomograms for the adquate evaluation of functional aerobic capacity. This, in turn, will permit the accurate and correct prescription of exercise for individual subjects or patients.[Abstract] [Full Text] [Related] [New Search]