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The transfer of strength and power into the stroke biomechanics of young swimmers over a 34-week period

dc.contributor.authorMorais, Jorge
dc.contributor.authorSilva, António
dc.contributor.authorGarrido, Nuno
dc.contributor.authorMarinho, Daniel
dc.contributor.authorBarbosa, Tiago M.
dc.date.accessioned2020-02-12T15:14:19Z
dc.date.available2020-02-12T15:14:19Z
dc.date.issued2018
dc.description.abstractThe purpose of this study was to learn the interplay between dry-land strength and conditioning, and stroke biomechanics in young swimmers, during a 34-week training programme. Twenty-seven swimmers (overall: 13.33 ± 0.85 years old; 11 boys: 13.5 ± 0.75 years old; 16 girls: 13.2 ± 0.92 years old) competing at regional- and national-level competitions were evaluated. The swimmers were submitted to a specific in-water and dry-land strength training over 34 weeks (and evaluated at three time points: pre-, mid-, and post-test; M1, M2, and M3, respectively). The 100-m freestyle performance was chosen as the main outcome (i.e. dependent variable). The arm span (AS; anthropometrics), throwing velocity (TV; strength), stroke length (SL), and stroke frequency (SF; kinematics) were selected as independent variables. There was a performance enhancement over time (M1 vs. M3: 68.72 ± 5.57 s, 66.23 ± 5.23 s; Δ = -3.77%; 95% CI: -3.98;-3.56) and an overall improvement of the remaining variables. At M1 and M2, all links between variables presented significant effects (p < .001), except the TV-SL and the TV-SF path. At M3, all links between variables presented significant effects (p ≤ .05). Between M1 and M3, the direct effect of the TV to the stroke biomechanics parameters (SL and SF) increased. The model predicted 89%, 88%, and 92% of the performance at M1, M2, and M3, respectively, with a reasonable adjustment (i.e. goodness-of-fit M1: χ2/df = 3.82; M2: χ2/df = 3.08; M3: χ2/df = 4.94). These findings show that strength and conditioning parameters have a direct effect on the stroke biomechanics, and the latter one on the swimming performance.pt_PT
dc.description.sponsorshipBolsa BIPD/ICI-FCSH-Santander Universidades-UBI/2017pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1080/17461391.2018.1453869pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.6/9242
dc.language.isoengpt_PT
dc.subjectAdolescentpt_PT
dc.subjectAthletic Performancept_PT
dc.subjectBiomechanical Phenomenapt_PT
dc.subjectFemalept_PT
dc.subjectHumanspt_PT
dc.subjectMalept_PT
dc.subjectSwimmingpt_PT
dc.subjectUpper Extremitypt_PT
dc.subjectResistance Trainingpt_PT
dc.titleThe transfer of strength and power into the stroke biomechanics of young swimmers over a 34-week periodpt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage795pt_PT
oaire.citation.issue6pt_PT
oaire.citation.startPage787pt_PT
oaire.citation.titleEuropean Journal of Sport Sciencept_PT
oaire.citation.volume18pt_PT
person.familyNameMorais
person.familyNameSilva
person.familyNameGarrido
person.familyNameMarinho
person.familyNameBarbosa
person.givenNameJorge
person.givenNameAntónio
person.givenNameNuno Miguel de Figueiredo
person.givenNameDaniel
person.givenNameTiago M.
person.identifierhttps://scholar.google.com/citations?user=0B3tQQcAAAAJ&amp;hl=en&amp;authuser=2
person.identifier.ciencia-idAA12-BF58-EE60
person.identifier.ciencia-id8C15-83CB-5566
person.identifier.ciencia-id3711-341B-A441
person.identifier.ciencia-id471B-F3CC-479A
person.identifier.ciencia-id8B11-BDC4-F6FF
person.identifier.orcid0000-0002-6885-0648
person.identifier.orcid0000-0001-5790-5116
person.identifier.orcid0000-0001-7404-6923
person.identifier.orcid0000-0003-2351-3047
person.identifier.orcid0000-0001-7071-2116
person.identifier.scopus-author-id13410238400
person.identifier.scopus-author-idhttps://www.scopus.com/authid/detail.uri?authorId=53866322700
person.identifier.scopus-author-id15022568500
person.identifier.scopus-author-id10044856400
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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