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Anaerobic Threshold Biophysical Characterisation of the Four Swimming Techniques

2020Journal article Open access
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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.relationTraining control and swimmers evaluation during and after Tokyo 2020 Olympic cycle, performance and health concerns
dc.relationResearch Center in Sports Sciences, Health Sciences and Human Development
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.awardTitleTraining control and swimmers evaluation during and after Tokyo 2020 Olympic cycle, performance and health concerns
oaire.awardTitleResearch Center in Sports Sciences, Health Sciences and Human Development
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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