The effect of age and athletic training on the maximal heart rate during muscular exercise.
D000293:Adolescent; D000328:Adult; D000368:Aged; D000375:Aging / Q000502:physiology*; D004562:Electrocardiography; D015444:Exercise; D005080:Exercise Test; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D009132:Muscles / Q000502:physiology*; D010806:Physical Education and Training; D010807:Physical Endurance; D012044:Regression Analysis; D013997:Time Factors