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Título

The role of adiposity in the association between muscular fitness and cardiovascular disease

AutorPérez-Bey, Alejandro; Segura-Jiménez, Víctor; Rosario Fernandez, Jorge del; Esteban-Cornejo, Irene; Gómez-Martínez, Sonia CSIC ORCID; Veiga, Óscar; Marcos, Ascensión CSIC ORCID; Castro-Piñero, José
Fecha de publicación2018
EditorElsevier
CitaciónThe Journal of Pediatrics 199: 178-185.e4 (2018)
Resumen[Objectives]: To test the associations of muscular fitness and body mass index (BMI), individually and combined, with clustered cardiovascular disease risk factors in children and adolescents and to analyze the mediator role of BMI in the association between muscular fitness and clustered cardiovascular disease risk factors.
[Study design]: In total, 239 children (113 girls) and 270 adolescents (128 girls) participated in this cross-sectional study. Height and weight were assessed, and BMI was calculated. A cardiovascular disease risk factors index (CVDRF-I) was created from the combination of the following variables: waist circumference, systolic blood pressure, triglycerides, high-density lipoprotein cholesterol, and glucose. Handgrip strength/weight and standing long jump tests were used to assess muscular fitness. A muscular fitness index was computed from the combination of both tests.
[Results]: Muscular fitness index was associated with CVDRF-I in children of both sexes and adolescent boys; however, these associations disappeared after accounting for BMI. BMI was associated with CVDRF-I in both children and adolescents, even after adjusting for muscular fitness (all P < .001). In male and female children and in adolescent boys, the association between muscular fitness and CVDRF-I was mediated by BMI (all P < .001). Because there was no association between muscular fitness and CVDRF-I in adolescent girls, the mediation hypothesis was discarded.
[Conclusions]: BMI is an independent predictor of CVDRF-I in children and adolescents of both sexes. Conversely, the effect of muscular fitness on CVDRF-I seems to be fully mediated by BMI levels in male and female children and in adolescent boys.
DescripciónPortions of this study were presented at the 22nd Annual Congress of the European College of Sport Science, July 5-8, 2017, Essen, Germany.
Versión del editorhttps://doi.org/10.1016/j.jpeds.2018.03.071
URIhttp://hdl.handle.net/10261/244001
DOI10.1016/j.jpeds.2018.03.071
ISSN1097-6833
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