Associations of Fat Mass and Fat-Free Mass with Physical Fitness in 4-Year-Old Children: Results from the MINISTOP Trial
Metadatos
Mostrar el registro completo del ítemAutor
Henriksson, Pontus; Cadenas Sánchez, Cristina; Leppänen, Marja H.; Delisle Nyström, Christine; Ortega Porcel, Francisco Bartolomé; Pomeroy, Jeremy; Ruiz Ruiz, Jonatan; Löf, MarieEditorial
MDPI
Materia
Air-displacement plethysmography Body composition Cardiorespiratory fitness
Fecha
2016-07-30Referencia bibliográfica
Henriksson, P.; Cadenas-Sanchez, C.; Leppänen, M.H.; Delisle Nyström, C.; Ortega, F.B.; Pomeroy, J.; Ruiz, J.R.; Löf, M. Associations of Fat Mass and Fat-Free Mass with Physical Fitness in 4-Year-Old Children: Results from the MINISTOP Trial. Nutrients 2016, 8, 473. https://doi.org/10.3390/nu8080473
Resumen
Physical fitness is a powerful marker of health in youth. Studies in adolescents and
adults suggest that higher fat mass is related to worse physical fitness. However, there is limited
knowledge whether fat mass and fat-free mass are associated with physical fitness already in
preschoolers. Baseline data from the MINISTOP (Mobile-based INtervention Intended to STop Obesity
in Preschoolers) trial was utilized for this cross-sectional analysis. Body composition was assessed
using air-displacement plethysmography. Fat mass index [fat mass (kg)/height2 (m)] and fat-free
mass index [fat-free mass (kg)/height2 (m)] were used to provide height-adjusted measures of body
composition. Physical fitness was measured using the PREFIT (FITness testing in PREschool children)
battery, which assesses cardiorespiratory fitness, upper-body and lower-body muscular strength as
well as motor fitness. In total, this study included 303 children (168 boys and 135 girls), who were on
average 4.48 ± 0.15 years old. Higher fat mass index was associated with worse cardiorespiratory
fitness (standardized β = -0.17, p = 0.002), lower-body muscular strength (β = -0.17, p = 0.003) and
motor fitness (β = -0.21, p < 0.001) in regression analyses adjusted for age, sex and mutually adjusted
for fat-mass index and fat-free mass index. Conversely, higher fat-free mass index was associated
with better cardiorespiratory fitness (β = 0.18, p = 0.002), upper-body muscular strength (β = 0.39,
p < 0.001), lower-body muscular strength (β = 0.22, p < 0.001) and motor fitness (β = 0.17, p = 0.004).
Thus, fat mass and fat-free mass in preschoolers appear to have joint but opposite associations with
physical fitness, an important marker for current and future health.