title: Intensity and distance of interval training programs and changes in aerobic power.
mesh_terms: D000293:Adolescent; D000328:Adult; D006339:Heart Rate; D006801:Humans; D008297:Male; D010101:Oxygen Consumption; D010806:Physical Education and Training; D005082:Physical Exertion; D013147:Spirometry; D013997:Time Factors