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Concurrent effect of lean soft tissue and adipose tissue on bone density gains of lower limbs among adolescent engaged in sports: ABCD-growth study

Grant number: 17/13003-9
Support type:Scholarships in Brazil - Master
Effective date (Start): November 01, 2017
Effective date (End): February 28, 2019
Field of knowledge:Health Sciences - Physical Education
Principal researcher:Rômulo Araújo Fernandes
Grantee:Rafael Luiz de Marco
Home Institution: Faculdade de Ciências e Tecnologia (FCT). Universidade Estadual Paulista (UNESP). Campus de Presidente Prudente. Presidente Prudente , SP, Brazil


Bone health has received increasing attention from the academic community and society due to the economic and social burden of osteoporosis. On the other hand, the development of osteoporosis in old age is strongly determined by events that occur in early life, such as the amount of bone mass gained. In this sense, the action of the muscular tissue in the strengthening of the bone structure has been investigated in young people, but many gaps remain. Objective: To discriminate the impact of changes in fat and fat free mass on bone gains in adolescents of both sexes, as well as to identify the effect of both tissues on bone gains under conditions involving different levels of mechanical impact (Hypogravity [swimming], no sport participation [control group] and impact sports [soccer, basketball and martial arts]). Methods: Longitudinal study with nine months of follow-up (two moments of data collection) that to be carried out in the city of Presidente Prudente. Sample will be composed of 72 adolescents classified as: Control, Swimming and Impact Sports (combined modalities: karate, judo, kung-fu, soccer, basketball and volleyball). Bone mineral density, muscle mass, and adipose tissue will be estimated by Dual Energy X-rays absorption in the i) lower limbs, ii) left leg and iii) right leg. Expected Results: We expect to discriminate in a more precise way, the actual the impact of muscle mass on the bone gains of adolescents, as well as the role of sport participation on that. (AU)

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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
LUIZ-DE-MARCO, RAFAEL; GOBBO, LUIS ALBERTO; CASTOLDI, ROBSON CHACON; MAILLANE-VANEGAS, SANTIAGO; DA SILVA VENTURA FAUSTINO-DA-SILVA, YURI; EXUPERIO, ISABELA NETO; AGOSTINETE, RICARDO RIBEIRO; FERNANDES, ROMULO A.. Impact of changes in fat mass and lean soft tissue on bone mineral density accrual in adolescents engaged in different sports: ABCD Growth Study. ARCHIVES OF OSTEOPOROSIS, v. 15, n. 1, . (17/09182-5, 17/13003-9, 15/19710-3, 16/20377-0, 16/20354-0)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
MARCO, Rafael Luiz de. Competitive effect between fat free mass and adipous tissue on bone mineral density gains of lower members of sports adolescents: abcd-growth study. 2019. Master's Dissertation - Universidade Estadual Paulista (Unesp). Faculdade de Ciências e Tecnologia. Presidente Prudente Presidente Prudente.

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