title: An exercise in geometry.
authors.forename: Ego
authors.initials: E
authors.lastname: Seeman
mesh_terms: D001696:Biomechanical Phenomena; D001827:Body Height; D015519:Bone Density; D001846:Bone Development; D001842:Bone and Bones / Q000033:anatomy & histology* / Q000378:metabolism*; D002648:Child; D002985:Clinical Protocols; D005081:Exercise Therapy / Q000379:methods*; D005260:Female; D050723:Fractures, Bone / Q000517:prevention & control; D006801:Humans; D011627:Puberty; D012307:Risk Factors