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The influence of anthropometric variables, body composition, propulsive force and maturation on 50m freestyle swimming performance in junior swimmers: An allometric approach
dos Santos, Marcos AM Henrique, Rafael S Salvina, Marlene Silva, Artur Henrique Oliveira Junior, Marco Aurelio de VC Queiroz, Daniel R Duncan, Michael J Maia, Jose AR Nevill, Alan M
dos Santos, Marcos AM
Henrique, Rafael S
Salvina, Marlene
Silva, Artur Henrique Oliveira
Junior, Marco Aurelio de VC
Queiroz, Daniel R
Duncan, Michael J
Maia, Jose AR
Nevill, Alan M
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Issue Date
2021-03-04
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Abstract
The purpose of the current article was to use allometric models to identify the best body size descriptors and other anthropometric variables, body composition, and offset maturity that might be associated with the youngsters' 50m personal-best (PB) swim speeds (m·s<sup>-1</sup>). Eighty-five competitive swimmers (male, n=50; 13.5±1.8 y; female, n=35; 12.6±1.8 y) participated in this study. Height, body mass, sitting height, arm span, skinfolds, arm muscle area (AMA), and maturity offset were assessed. Swimming performance was taken as the PB time recorded in competition, and the propulsive force of their arm (PFA) was assessed by the tied swimming test. The multiplicative allometric model relating 50m PB swim speeds (m·s<sup>-1</sup>) to all the predictor variables found percentage body fat as a negative [(BF%) β= -.121±.036;<i> P</i>=0.001], and PFA (PFA β=.108±.033;<i> P</i>=0.001) and the girl's arm span (β=.850±.301;<i> P</i>=0.006), all log-transformed, as positive significant predictors of log-transformed swim speed. The adjusted coefficient of determination, R<sub>adj</sub><sup>2</sup> was 54.8% with the log-transformed error ratio being 0.094 or 9.8%, having taken antilogs. The study revealed, using an allometric approach, that body fatness and PFA were significant contributors to 50m freestyle swim performance in young swimmers.
Citation
dos Santos, M.A.M., Henrique, R.S., Salvina, M. et al. (2021) The influence of anthropometric variables, body composition, propulsive force and maturation on 50m freestyle swimming performance in junior swimmers: An allometric approach, Journal of Sports Sciences, 39(14), pp.1615-1620, DOI: 10.1080/02640414.2021.1891685
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PubMed ID
33661083 (pubmed)
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Type
Journal article
Language
en
Description
This is an accepted manuscript of an article published by Taylor & Francis in Journal of Sports Sciences, available online: https://doi.org/10.1080/02640414.2021.1891685
The accepted version of the publication may differ from the final published version.
Series/Report no.
ISSN
0264-0414
EISSN
1466-447X