title: Growth and development of young athletes. Should competition levels be age related?
mesh_terms: D000293:Adolescent; D000367:Age Factors; D000375:Aging / Q000502:physiology; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D005260:Female; D006128:Growth; D006801:Humans; D008297:Male; D009042:Motivation; D011597:Psychomotor Performance; D012741:Sexual Maturation; D013177:Sports / Q000502:physiology