PMID: 18422025Apr 22, 2008Paper

Body mass index and body composition in relation to sexual maturation

Journal of Pediatric Endocrinology & Metabolism : JPEM
Silvia Diez CastilhoAntonio de Azevedo Barros Filho

Abstract

To assess body mass index. (BMI) in relation to sexual maturation and verify how fat-free mass (FFM) and fat mass (FM) contribute to its increase. 1,275 White adolescents (656 girls and 619 boys), aged 9 to 18 years, were evaluated according to Tanner stages. FFM and FM were calculated by triceps and subscapular skinfold measurements and leg-to-leg bioelectrical impedance. BMI-for-maturation was distributed into percentiles. Fat-free mass index (FFMI) and body fat mass index (BFMI) were calculated based on BMI 50t" ph percentile values. During maturation, as BMI increases, girls gain FFMI (13.3 kg/m2 at B1 and 15.8 kg/m2 at B5) and BFMI (3.7 kg/m2 at B1 and 5.7 kg/m2 at B5)--proportionally more fat-- while boys gain FFMI (14.3 kg/m2 at G1 and 17.9 kg/m2 at G5) and lose BFMI (4.8 kg/m2 at G1 and 3.2 kg/m2 at G5). These data suggest that FFMI and BFMI-for-maturation should be assessed in adolescents monitored for overweight and obesity.

References

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Citations

May 19, 2012·Annals of Human Biology·Clélia Oliveira LyraLucia Fátima Campos Pedrosa
Sep 4, 2015·Archives of Endocrinology and Metabolism·Barbara de Moura Mello AntunesIsmael Forte Freitas Júnior
Apr 16, 2013·Journal of Pediatric Endocrinology & Metabolism : JPEM·Silvia D CastilhoMonize Cocetti
Sep 30, 2010·Cadernos de saúde pública·Isabel Carolina da Silva PintoAna Márcia Tenório de Souza Cavalcanti

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