Guidelines for physical training.
D000818:Animals; D001794:Blood Pressure; D002302:Cardiac Output; D006339:Heart Rate; D006801:Humans; D008297:Male; D008660:Metabolism; D008875:Middle Aged; D010101:Oxygen Consumption; D010806:Physical Education and Training; D005082:Physical Exertion; D051381:Rats; D013178:Sports Medicine; D013997:Time Factors