Pulmonary function values obtained from pre-exercise maximal
flow-volume loops are listed in Table 1, as well as percent predicted
for height, age, mass, and sex. Mean values for lung residual
volume,forced vital capacity (FVC), FEV1 in liters, FEV1 as a percentage
of FVC, peak flow rate, and maximal mid-expiratory flow rate
where within normal ranges for healthy men under the age of 25