Your Aerobic Capacity is a fundamental measure of your ability to sustain exercise over time. It is perhaps one of the most important measures of your fitness level. The more sedentary you are, the greater the increase. The more active you are, the less the increase. Sex is important as males have a larger capacity than females.
Age is important as aerobic capacity usually declines with age.
Weight is important as the more you weigh, the greater your aerobic capacity. And altitude is important as aerobic capacity decreases with increasing altitude. Elite world class athletes have the highest aerobic capacity followed by Competitive Athletes, Active and Sedentary individuals. This lady entered her sex, age, weight, height and the altitude. By continuing to exercise, she could move up into or above the Active classification.