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Advisor(s)
Abstract(s)
Objectives: The purpose of this study was to examine the influence of physical fitness (PF) on the development
of subcutaneous adipose tissue in children followed longitudinally over a 9 year period ranging
from childhood to adolescence.
Design: This longitudinal study followed 518 healthy participants (262 boys, 256 girls) over a 9-year period
ranging from childhood (age 6) to adolescence (age 15). Adiposity (triceps and subscapular skinfolds),
and fitness (60 s sit-ups, flexed arm hang, standing long jump, 50mdash, 10mshuttle run, sit-and-reach,
and 20mpacer run) were assessed at four annual time points during primary school, and on a follow up,
6 years later, during secondary school.
Methods: Growth in subcutaneous fat was modeled within a HLM statistical framework, using fitness
components as time changing predictors.
Results: Flexed arm hang (ˇ =−0.059; p = 0.000), standing long jump (ˇ =−0.072; p = 0.000), 60 s sit-ups
(ˇ =−0.041; p = 0.040), 50mdash (ˇ = 0.956; p = 0.000), and 20mPACER (ˇ =−0.077; p = 0.000) tests, were
found to predict changes on body fat growth over the years, independently of sex.
Conclusions: Improving PF individual levels can positively influence adiposity deposition over the time
period covering childhood and adolescence. That occurs independently of the typical sex differentiated adiposity growth.
Description
Keywords
Citation
Rodrigues, Luís Paulo; Leitão, Raquel; Lopes, Vítor P. (2013). Physical fitness predicts adiposity longitudinal changes over childhood and adolescence. Journal of Science and Medicine in Sport. ISSN 1440-2440. 16:2, p. 118-123
Publisher
Elsevier