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Changes in body fatness affect cardiovascular outcomes more than changes in physical activity

Published online by Cambridge University Press:  12 December 2016

Suziane U. Cayres ,
Han C. G. Kemper ,
Luiz C. M. Vanderlei ,
Juliano Casonatto ,
Aristides M. Machado-Rodrigues ,
Maurício F. Barbosa  and
Rômulo A. Fernandes
Suziane U. Cayres*
Affiliation:
Post-Graduate Program in Movement Sciences, Sao Paulo State University (UNESP), Rio Claro, Brazil
Han C. G. Kemper
Affiliation:
Department of Occupational Health, EMGO+ Institute for Health and Care Research, VU University Medical Center, VU University Amsterdam, Amsterdam, The Netherlands
Luiz C. M. Vanderlei
Affiliation:
Department of Physical Therapy, UNESP, Presidente Prudente, Brazil
Juliano Casonatto
Affiliation:
Department of Physical Education, Northern Parana University (UNOPAR), Londrina, Brazil
Aristides M. Machado-Rodrigues
Affiliation:
Faculty of Sport Sciences and Physical Education, University of Coimbra, Coimbra, Portugal
Maurício F. Barbosa
Affiliation:
Post-Graduate Program in Radiology, Federal University of São Paulo (UNIFESP), Sao Paulo, Brazil
Rômulo A. Fernandes
Affiliation:
Laboratory of Investigation in Exercise – LIVE, Department of Physical Education, UNESP, Presidente Prudente, Brazil
*
Correspondence to: S. U. Cayres, PhD Student, Department of Physical Education, Roberto Simonsen Street, 305, Presidente Prudente, São Paulo 19060900, Brazil. Tel: 18 3229 5400; E-mail: suziungari@yahoo.com.br
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Abstract

Objective

The aim of this study was to analyse whether changes in physical activity and body fatness are related to modifications in cardiovascular risk factors among adolescents.

Material and methods

A sample of 89 healthy adolescents was recruited for this study. We assessed habitual physical activity, body fat percentage, arterial thickness, blood sample, and biological maturation. Multivariate models were used to analyse the relationships between independent and dependent variables.

Results

Physical activity (mean difference: 429.4 steps [95% confidence interval=−427 to 1286]) and body fatness (mean difference: −0.7% [95% confidence interval=−1.6–0.2]) remained stable during the study period. Independent of changes in physical activity, for each percentage increase in body fatness, femoral intima-media thickness increased by 0.007 mm (β=0.007 [95% confidence interval=0.001–0.013]). Longitudinal relationships were found for high-density lipoprotein-cholesterol (β=−0.477 mg/dl [95% confidence interval=−0.805 to −0.149]) and triacylglycerol (β=2.329 mg/dl [95% confidence interval=0.275–4.384]).

Conclusion

Changes in body fatness are more important than the amount of physical activity on cardiovascular and metabolic risks.

Keywords

Adolescentphysical activityadiposityatherosclerosisdyslipidaemias
Type
Original Articles
Information
Cardiology in the Young , Volume 27 , Issue 6 , August 2017 , pp. 1060 - 1067
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Copyright
© Cambridge University Press 2016 

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