Allometric modelling of peak oxygen uptake in male soccer players of 8-18 years of age

Published on Mar 4, 2015in Annals of Human Biology1.588
· DOI :10.3109/03014460.2014.932007
João Valente-dos-Santos9
Estimated H-index: 9
(UC: University of Coimbra),
Manuel J. Coelho-e-Silva17
Estimated H-index: 17
(UC: University of Coimbra)
+ 6 AuthorsRobert M. Malina74
Estimated H-index: 74
(Tarleton State University)
AbstractBackground: Peak oxygen uptake (VO2peak) is routinely scaled as mL O2 per kilogram body mass despite theoretical and statistical limitations of using ratios.Aim: To examine the contribution of maturity status and body size descriptors to age-associated inter-individual variability in VO2peak and to present static allometric models to normalize VO2peak in male youth soccer players.Subjects and methods: Total body and estimates of total and regional lean mass were measured with dual energy X-ray absorptiometry in a cross-sectional sample of Portuguese male soccer players. The sample was divided into three age groups for analysis: 8–12 years, 13–15 years and 16–18 years. VO2peak was estimated using an incremental maximal exercise test on a motorized treadmill. Static allometric models were used to normalize VO2peak.Results: The independent variables with the best statistical fit explained 72% in the younger group (lean body mass: k = 1.07), 52% in mid-adolescent players (lean body mass: k = 0.93) and...
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