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Young Swimmers’ Classification Based on Kinematics, Hydrodynamics, and Anthropometrics

2014Journal article Open access
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dc.contributor.authorBarbosa, Tiago M.
dc.contributor.authorMorais, Jorge
dc.contributor.authorCosta, Mário Jorge
dc.contributor.authorGoncalves, José
dc.contributor.authorMarinho, Daniel
dc.contributor.authorSilva, António
dc.date.accessioned2020-02-20T12:08:58Z
dc.date.available2020-02-20T12:08:58Z
dc.date.issued2014
dc.description.abstractThe aim of this article has been to classify swimmers based on kinematics, hydrodynamics, and anthropometrics. Sixty-seven young swimmers made a maximal 25 m front-crawl to measure with a speedometer the swimming velocity (v), speed-fluctuation (dv) and dv normalized to v (dv/v). Another two 25 m bouts with and without carrying a perturbation device were made to estimate active drag coefficient (CDa). Trunk transverse surface area (S) was measured with photogrammetric technique on land and in the hydrodynamic position. Cluster 1 was related to swimmers with a high speed fluctuation (ie, dv and dv/v), cluster 2 with anthropometrics (ie, S) and cluster 3 with a high hydrodynamic profile (ie, CDa). The variable that seems to discriminate better the clusters was the dv/v (F=53.680; P<.001), followed by the dv (F=28.506; P<.001), CDa (F=21.025; P<.001), S (F=6.297; P<.01) and v (F=5.375; P=.01). Stepwise discriminant analysis extracted 2 functions: Function 1 was mainly defined by dv/v and S (74.3% of variance), whereas function 2 was mainly defined by CDa (25.7% of variance). It can be concluded that kinematics, hydrodynamics and anthropometrics are determinant domains in which to classify and characterize young swimmers' profiles.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doi10.1123/jab.2013-0038pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.6/9418
dc.language.isoengpt_PT
dc.subjectAccelerationpt_PT
dc.subjectAthletic Performancept_PT
dc.subjectBiomechanical Phenomenapt_PT
dc.subjectChildpt_PT
dc.subjectCompetitive Behaviorpt_PT
dc.subjectFemalept_PT
dc.subjectHumanspt_PT
dc.subjectMalept_PT
dc.subjectPhysical Fitnesspt_PT
dc.subjectSwimmingpt_PT
dc.subjectAnthropometrypt_PT
dc.subjectHydrodynamicspt_PT
dc.titleYoung Swimmers’ Classification Based on Kinematics, Hydrodynamics, and Anthropometricspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.citation.endPage315pt_PT
oaire.citation.issue2pt_PT
oaire.citation.startPage310pt_PT
oaire.citation.titleJournal of Applied Biomechanicspt_PT
oaire.citation.volume30pt_PT
person.familyNameBarbosa
person.familyNameMorais
person.familyNameCosta
person.familyNameMarinho
person.familyNameSilva
person.givenNameTiago M.
person.givenNameJorge
person.givenNameMário Jorge
person.givenNameDaniel
person.givenNameAntónio
person.identifier1007580
person.identifier.ciencia-id8B11-BDC4-F6FF
person.identifier.ciencia-idAA12-BF58-EE60
person.identifier.ciencia-idC210-1290-9402
person.identifier.ciencia-id471B-F3CC-479A
person.identifier.ciencia-id8C15-83CB-5566
person.identifier.orcid0000-0001-7071-2116
person.identifier.orcid0000-0002-6885-0648
person.identifier.orcid0000-0001-5502-1202
person.identifier.orcid0000-0003-2351-3047
person.identifier.orcid0000-0001-5790-5116
person.identifier.scopus-author-id10044856400
person.identifier.scopus-author-id35730781900
person.identifier.scopus-author-id15022568500
person.identifier.scopus-author-id13410238400
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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