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Relationship between physical activity and cardiovascular parameters among adolescents: ABCD growth study

Grant number: 18/19122-2
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): June 01, 2019
Effective date (End): July 31, 2020
Field of knowledge:Health Sciences - Physical Education
Principal researcher:Rômulo Araújo Fernandes
Grantee:Andréa Wigna Pereira de Jesus
Home Institution: Faculdade de Ciências e Tecnologia (FCT). Universidade Estadual Paulista (UNESP). Campus de Presidente Prudente. Presidente Prudente , SP, Brazil

Abstract

Objective: Analyze the relation between physical activity and the cardiovascular parameters between adolescents of both sexes. Methods: Through convenience sample there will be selected schools and sportive associations, in which will participate of the present research adolescents of age between 11 and 17 years old, in agreement to the following inclusion criteria: no chronical diseases; consent and assent term signed by the parents and adolescents, respectively; sports practice for a minimum of 12 months in modality (group of sports); non-engagement in sports for the last 12 months (no sport). Sample will be dichotomized in view of the usual physical activity level and sex. Independent variable: physical activity. Dependent variable: systolic arterial pressure (SAP), diastolic arterial pressure (DAP), resting heart rate (HR), double product (DP), intima-media thickness of carotid artery (cIMT) and femoral (fIMT). Confusion factor: chronological age, peak height velocity (PHV) and trunk fatness (TF). Kolmogorov-Smirnov test will be applied to verify the normality of the data group. Descriptive dates will be presented through mean and standard deviation. T-test of student for independent sample will be used in order to compare cardiovascular outcomes according to physical activity and sex, and Pearson Correlation will analyzed relationship between physical activity and cardiovascular outcomes adjusted by confusing factors. All analyses will be done on the software SPSS version 22.0, significance level adopted p<0,05. Expected Results: It expects to find that adolescents who practice physical activity present better cardiovascular health.