Scaling of peak oxygen uptake in children: A comparison of three body size index models

L.E.F. Graves, A.M. Batterham, L. Foweather, N. Mcwhannell, N.D. Hopkins, L.M. Boddy, R. Gobbi, Gareth Stratton

    Research output: Contribution to journalArticle

    20 Citations (Scopus)

    Abstract

    PURPOSE: We aimed to compare three candidate body size index models for the scaling of aerobic fitness (V̇O2peak) in children: whole body mass, total lean body mass, and the lean mass of both legs. METHODS: V̇O2peak and total lean mass of the body and both legs (via dual-energy x-ray absorptiometry) were assessed in 126 girls and 87 boys aged 9-11 yr. We applied nonlinear allometric models of the form V̇O2peak = a×body size, adjusted for biological sex and maturity offset (years from peak height velocity). We assessed goodness of fit using the Akaike information criterion. RESULTS: The Akaike weights (Akaike differences) were as follows: lean mass of both legs = 0.69 (0), total lean body mass = 0.31 (1.6), and whole body mass =
    Original languageEnglish
    Pages (from-to)2341-2345
    JournalMedicine and Science in Sports and Exercise
    Volume45
    Issue number12
    DOIs
    Publication statusPublished - 2013

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