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Association between handgrip strength and bone mineral density of Brazilian children and adolescents stratified by sex: a cross-sectional study

Authors
  • Saraiva, Bruna Thamyres Ciccotti1
  • Agostinete, Ricardo Ribeiro1
  • Freitas Júnior, Ismael Forte1
  • de Sousa, Daniel Eduardo Rodrigues1
  • Gobbo, Luis Alberto1
  • Tebar, William Rodrigues1
  • Christofaro, Diego Giulliano Destro1
  • 1 São Paulo State University (UNESP), School of Sciences and Technology, Presidente Prudente, SP, CEP 19060-900, Brazil , Presidente Prudente (Brazil)
Type
Published Article
Journal
BMC Pediatrics
Publisher
Springer (Biomed Central Ltd.)
Publication Date
Apr 28, 2021
Volume
21
Issue
1
Identifiers
DOI: 10.1186/s12887-021-02669-1
Source
Springer Nature
Keywords
License
Green

Abstract

BackgroundTo examine the association of handgrip strength (HGS) and bone mineral density (BMD) of Brazilian children and adolescents.MethodsThe sample included 243 children and adolescents aged from 4 to 15 years (9.3 ± 2.2 years), 171 males and 72 females. The following measurements were performed: weight, height, trunk length, and years to the peak height velocity (PHV). The percentage lean soft tissue (PLST), percentage fat mass (PFM), and BMD were obtained using Dual Energy X-ray Absorptiometry (DXA) and HGS using a dynamometer.ResultsIn girls, HGS was positively associated with higher BMD, even after the adjustments, by arms [β = 0.006; p < 0.001], legs [β = 0.014; p < 0.001], pelvis [β = 0.019; p < 0.001], trunk [β = 0.013; p < 0.001], spine [β = 0.013; p = 0.008], and total body [β = 0.009; p < 0.001]. The same occurred in the boys, even after the adjustments a positive relationship was observed, whereas higher HGS was related to greater BMD in arms [β = 0.006; p < 0.001], legs [β = 0.017; p < 0.001], pelvis [β = 0.014; p < 0.001], trunk [β = 0.009; p < 0.001], spine [β = 0.008; p < 0.001], and total body [β = 0.007; p < 0.001].ConclusionHGS was positively associated to BMD in boys and girls, regardless of age, PHV, PLST, and PFM.

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