The Effect of a Coordinative Training in Young Swimmers’ Performance

Ana F. Silva, Pedro Figueiredo, João P. Vilas-Boas, Ricardo J. Fernandes and Ludovic Seifert
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Ana F. Silva: Centre of Research, Education, Innovation and Intervention in Sport, Faculty of Sport, University of Porto, 4200-450 Porto, Portugal
Pedro Figueiredo: Portugal Football School, Portuguese Football Federation, 1495-433 Oeiras, Portugal
João P. Vilas-Boas: Centre of Research, Education, Innovation and Intervention in Sport, Faculty of Sport, University of Porto, 4200-450 Porto, Portugal
Ricardo J. Fernandes: Centre of Research, Education, Innovation and Intervention in Sport, Faculty of Sport, University of Porto, 4200-450 Porto, Portugal
Ludovic Seifert: Faculty of Sport Sciences, University of Rouen Normandy, CETAPS EA3832, 76821 Mont Saint Aignan, France

IJERPH, 2022, vol. 19, issue 12, 1-14

Abstract: This study investigated the effects of a coordinative in-water training. Total 26 young swimmers (16 boys) were divided in a training group (that performed two sets of 6 × 25-m front crawl, with manipulated speed and stroke frequency, two/week for eight weeks) and a control group. At the beginning and end of the training period, swimmers performed 50-m front crawl sprints recorded by seven land and six underwater Qualisys cameras. A linear mixed model regression was applied to investigate the training effects adjusted for sex. Differences between sex were registered in terms of speed, stroke length, and stroke index, highlighting that an adjustment for sex should be made in the subsequent analysis. Between moments, differences were noticed in coordinative variables (higher time spent in anti-phase and push, and lower out-of-phase and recovery for training group) and differences between sex were noticed in performance (stroke length and stroke index). Interactions (group * time) were found for the continuous relative phase, speed, stroke length, and stroke index. The sessions exerted a greater (indirect) influence on performance than on coordinative variables, thus, more sessions may be needed for a better understanding of coordinative changes since our swimmers, although not experts, are no longer in the early learning stages.

Keywords: coordination; youth; motor adaptability; ecological dynamics; biomechanics (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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