title: IN VIVO DETERMINATIONS OF LEAN BODY MASS FROM K-40 MEASUREMENTS AND THE RELATIONSHIP OF THESE VALUES TO MOTOR APTITUDE IN PREADOLESCENT BOYS.
mesh_terms: D001076:Aptitude; D001699:Biometry; D001823:Body Composition; D001835:Body Weight; D002648:Child; D006801:Humans; D008297:Male; D009048:Motor Skills; D010809:Physical Fitness; D011194:Potassium Isotopes; D011874:Radiometry
chemical_list: D011194:Potassium Isotopes
keywords: BIOMETRY; BODY COMPOSITION; BODY WEIGHT; CHILD; MOTOR SKILLS; PHYSICAL FITNESS; POTASSIUM ISOTOPES; RADIOMETRY