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Anaerobic Threshold Biophysical Characterisation of the Four Swimming Techniques

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dc.contributor.authorCarvalho, Diogo Duarte
dc.contributor.authorSoares, Susana
dc.contributor.authorZacca, R
dc.contributor.authorSousa, João
dc.contributor.authorMarinho, Daniel
dc.contributor.authorSilva, António
dc.contributor.authorVilas Boas, J. Paulo
dc.contributor.authorFernandes, Ricardo J.
dc.date.accessioned2020-02-10T16:45:38Z
dc.date.available2020-02-10T16:45:38Z
dc.date.issued2020
dc.description.abstractThe anaerobic threshold (AnT) seems to be not only a physiologic boundary but also a transition after which swimmers technique changes, modifying their biomechanical behaviour. We expanded the AnT concept to a biophysical construct in the four conventional swimming techniques. Seventy-two elite swimmers performed a 5×200 m incremental protocol in their preferred swimming technique (with a 0.05 m·s-1 increase and a 30 s interval between steps). A capillary blood samples were collected from the fingertip and stroke rate (SR) and length (SL) determined for the assessment of [La], SR and SL vs. velocity inflexion points (using the interception of a pair of linear and exponential regression curves). The [La] values at the AnT were 3.3±1.0, 3.9±1.1, 2.9±1 .34 and 4.5±1.4 mmol·l-1 (mean±SD) for front crawl, backstroke, breaststroke and butterfly, and its corresponding velocity correlated highly with those at SR and SL inflection points (r=0.91-0.99, p<0.001). The agreement analyses confirmed that AnT represents a biophysical boundary in the four competitive swimming techniques and can be determined individually using [La] and/or SR/SL. Blood lactate increase speed can help characterise swimmers' anaerobic behaviour after AnT and between competitive swimming techniques.pt_PT
dc.description.versioninfo:eu-repo/semantics/acceptedVersionpt_PT
dc.identifier.doi10.1055/a-0975-9532pt_PT
dc.identifier.urihttp://hdl.handle.net/10400.6/9194
dc.language.isoengpt_PT
dc.relationBolsa de Doutoramento FCT: Training control and swimmers evaluation during and after Tokyo 2020 Olympic cycle, performance and health concerns [SFRH/BD/138876/2018]
dc.relationResearch Center in Sports Sciences, Health Sciences and Human Development [UID/DTP/04045/2019]
dc.subjectPhysiologypt_PT
dc.subjectBiomechanicspt_PT
dc.subjectBiophysicspt_PT
dc.subjectAnaerobic thresholdpt_PT
dc.subjectElite swimmerspt_PT
dc.titleAnaerobic Threshold Biophysical Characterisation of the Four Swimming Techniquespt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleBolsa de Doutoramento FCT: Training control and swimmers evaluation during and after Tokyo 2020 Olympic cycle, performance and health concerns [SFRH/BD/138876/2018]
oaire.awardTitleResearch Center in Sports Sciences, Health Sciences and Human Development [UID/DTP/04045/2019]
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/POR_NORTE/SFRH%2FBD%2F138876%2F2018/PT
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FDTP%2F04045%2F2019/PT
oaire.citation.titleInternational Journal of Sports Medicinept_PT
oaire.fundingStreamPOR_NORTE
oaire.fundingStream6817 - DCRRNI ID
person.familyNameDuarte Carvalho
person.familyNameSoares
person.familyNameZacca
person.familyNameMarinho
person.familyNameSilva
person.familyNameVilas-Boas
person.familyNameFernandes
person.givenNameDiogo António
person.givenNameSusana
person.givenNameRodrigo
person.givenNameDaniel
person.givenNameAntónio
person.givenNameJ. Paulo
person.givenNameRicardo J.
person.identifierhttps://scholar.google.pt/citations?user=irSIxhoAAAAJ&hl=pt-PT
person.identifier497179
person.identifier.ciencia-id7A1F-8EA4-409C
person.identifier.ciencia-idC118-BA75-9A73
person.identifier.ciencia-id4116-A8F9-505C
person.identifier.ciencia-id471B-F3CC-479A
person.identifier.ciencia-id8C15-83CB-5566
person.identifier.ciencia-id0D18-D46F-09A1
person.identifier.orcid0000-0001-8871-5614
person.identifier.orcid0000-0002-8313-8181
person.identifier.orcid0000-0003-0494-0000
person.identifier.orcid0000-0003-2351-3047
person.identifier.orcid0000-0001-5790-5116
person.identifier.orcid0000-0002-4109-2939
person.identifier.orcid0000-0002-5811-0443
person.identifier.scopus-author-id57212341663
person.identifier.scopus-author-id35800369300
person.identifier.scopus-author-id15022568500
person.identifier.scopus-author-id13410238400
person.identifier.scopus-author-id26424846800
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
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