Maximal treadmill testing of normal USAF aircrewmen.
D000060:Accidents, Aviation / Q000517:prevention & control; D000328:Adult; D000337:Aerospace Medicine; D000367:Age Factors; D002320:Cardiovascular Physiological Phenomena; D004562:Electrocardiography; D005080:Exercise Test; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D008889:Military Personnel; D010101:Oxygen Consumption; D010809:Physical Fitness; D014481:United States