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Changes in physiological and stroking parameters during interval swims at the slope of the d-t relationship

dc.contributor.authorPaulino Ribeiro, Luiz Fernando
dc.contributor.authorSpiguel Lima, Manoel Carlos
dc.contributor.authorGobatto, Claudio Alexandre [UNESP]
dc.contributor.institutionUniv Estadual Santa Cruz
dc.contributor.institutionUniversidade do Oeste Paulista (UNOESTE)
dc.contributor.institutionUniversidade Estadual Paulista (Unesp)
dc.date.accessioned2014-05-20T15:31:13Z
dc.date.available2014-05-20T15:31:13Z
dc.date.issued2010-01-01
dc.description.abstractThe slope of the distance-time relationship from maximal 200 and 400 in bouts (S(200-400)) has been increasingly employed for setting training intensities in swimming. However, physiological and mechanical responses at this speed are poorly understood. Thus, this study investigated blood lactate, heart rate (HR), stroke rate (SR), stroke length (SL) and RPE responses to an interval swimming set at S(200-400) in trained swimmers. In a 50-m pool, twelve athletes (16.5 +/- 1.2 yr, 176 +/- 7 cm, 68.4 +/- 5.4 kg, and 7.8 +/- 2.5% body fat) performed maximal 200 and 400 m crawl trials for S(200-400) determination (1.28 +/- 0.05 m/s). Thereafter, swimmers were instructed to perform 5 x 400 in at this speed with 1.5 min rest between repetitions. Three athletes Could not complete the set (exhaustion at 21.0 +/- 3.1 min). For the remaining swimmers (total set duration = 32.0 +/- 1.3 min) significant increases) (p < 0.05) in blood lactate (5.7 +/- 0.8-7.9 +/- 2.4 mmol/l), SR (29.6 +/- 3.2-32.1 +/- 4.1 cycles/min), HR (169 +/- 11-181 +/- 8 bpm) and RPE (13.3 +/- 1.6-16.3 +/- 2.6) were observed through the IS. Conversely, SL decreased significantly (p < 0.05) from the first to the fifth repetition (2.48 +/- 0.22-2.31 +/- 0.24 m/cycle). These results suggest that interval swimming at S(200-400) represents an intense physiological, mechanical and perceptual stimulus that can be sustained for a prolonged period by most athletes. (C) 2008 Sports Medicine Australia. Published by Elsevier Ltd. All rights reserved.en
dc.description.affiliationUniv Estadual Santa Cruz, Dept Ciencias Saude, Santa Cruz, CA USA
dc.description.affiliationUniv Oeste Paulista, Lab Fisiol Exercicio, Paulista, Brazil
dc.description.affiliationUniv Estadual Paulista, Dept Educ Fis, Inst Biociencias, Paulista, Brazil
dc.description.affiliationUnespUniv Estadual Paulista, Dept Educ Fis, Inst Biociencias, Paulista, Brazil
dc.format.extent141-145
dc.identifierhttp://dx.doi.org/10.1016/j.jsams.2008.10.001
dc.identifier.citationJournal of Science and Medicine In Sport. Mitchell: Sports Medicine Australia, v. 13, n. 1, p. 141-145, 2010.
dc.identifier.doi10.1016/j.jsams.2008.10.001
dc.identifier.issn1440-2440
dc.identifier.urihttp://hdl.handle.net/11449/40412
dc.identifier.wosWOS:000273858300031
dc.language.isoeng
dc.publisherSports Medicine Australia
dc.relation.ispartofJournal of Science and Medicine in Sport
dc.relation.ispartofjcr3.929
dc.relation.ispartofsjr1,714
dc.rights.accessRightsAcesso restrito
dc.sourceWeb of Science
dc.subjectSwimmingen
dc.subjectCritical speeden
dc.subjectInterval trainingen
dc.subjectBlood lactateen
dc.subjectStroking parametersen
dc.subjectPerceived exertionen
dc.titleChanges in physiological and stroking parameters during interval swims at the slope of the d-t relationshipen
dc.typeArtigo
dcterms.licensehttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dcterms.rightsHolderSports Medicine Australia
dspace.entity.typePublication
unesp.author.orcid0000-0002-1441-7582[3]
unesp.campusUniversidade Estadual Paulista (UNESP), Instituto de Biociências, Rio Claropt
unesp.departmentEducação Física - IBpt

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