A STUDY OF EXTREME PHYSICAL ACTIVITY GROUPS OF YOUNG MEN.
D000293:Adolescent; D000886:Anthropometry; D002648:Child; D006801:Humans; D008297:Male; D009043:Motor Activity; D010806:Physical Education and Training; D005082:Physical Exertion; D010809:Physical Fitness
ADOLESCENCE; ANTHROPOMETRY; CHILD; EXERTION; PHYSICAL EDUCATION AND TRAINING; PHYSICAL FITNESS