title: Comparison of peak performance measures in children ages 6 to 8, 9 to 10, and 11 to 13 years.
mesh_terms: D000293:Adolescent; D002302:Cardiac Output; D002648:Child; D005260:Female; D006339:Heart Rate; D006801:Humans; D008297:Male; D010101:Oxygen Consumption; D005082:Physical Exertion; D010809:Physical Fitness; D012119:Respiration; D013178:Sports Medicine