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Journal Article

Citation

Markou KB, Theodoropoulou A, Tsekouras A, Vagenakis AG, Georgopoulos NA. Ann. N. Y. Acad. Sci. 2010; 1205(1): 12-16.

Affiliation

Department of Internal Medicine, Division of Endocrinology, University of Patras Medical School, University Hospital, Patras, Greece. markou@med.upatras.gr

Copyright

(Copyright © 2010, John Wiley and Sons)

DOI

10.1111/j.1749-6632.2010.05675.x

PMID

20840247

Abstract

Bone mass (BM) and skeletal size are similar in prepubertal girls and boys and double between the onset of puberty and early adult life. Sex steroids are responsible for the maturation in human skeleton, as well as for the sexual dimorphism, observed after the onset of puberty. Physical activity in childhood is critical for maximizing bone growth and thus for preventing osteoporosis during older age. Therefore, it constitutes the most effective prevention strategy available. In athletes, high-impact loading activities have been shown to improve BM, whereas in sports requiring a lean somatotype (therefore leading to a negative energy balance), the delay in skeletal maturation and pubertal development predisposes athletes to osteopenia and osteoporosis. Although the early onset of training, the continuous intensive exercise and its long duration attenuate bone acquisition, the excess mechanical load to which these athletes are exposed from a young age exerts beneficial effects on bone formation that lead to a positive net-effect on BM.


Language: en

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