A critical review of the "Aerobics" points system.
D000328:Adult; D000332:Aerobiosis; D005069:Evaluation Studies as Topic; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D008954:Models, Biological; D010101:Oxygen Consumption; D010806:Physical Education and Training; D005082:Physical Exertion; D010809:Physical Fitness; D013997:Time Factors