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Intracyclic Variation of Force and Swimming Performance

2018Journal article Restricted access
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dc.contributor.authorMorouço, Pedro
dc.contributor.authorBarbosa, Tiago M.
dc.contributor.authorArellano, Raúl
dc.contributor.authorVilas-Boas, João P.
dc.date.accessioned2023-11-20T19:45:16Z
dc.date.available2023-11-20T19:45:16Z
dc.date.issued2018
dc.description.abstractIn front-crawl swimming, the upper limbs perform alternating movements with the aim of achieving a continuous application of force in the water, leading to lower intracyclic velocity variation (dv). This parameter has been identified as a crucial criterion for swimmers’ evaluation. Purpose: To examine the assessment of intracyclic force variation (dF) and to analyze its relationship with dv and swimming performance. Methods: A total of 22 high-level male swimmers performed a maximaleffort 50-m front-crawl time trial and a 30-s maximal-effort fully tethered swimming test, which were randomly assigned. Instantaneous velocity was obtained by a speedometer and force by a strain-gauge system. Results: Similarity was observed between the tests, with dF attaining much higher magnitudes than dv (P < .001; d = 8.89). There were no differences in stroke rate or in physiological responses between tethered and free swimming, with a high level of agreement for the stroke rate and blood lactate increase. Swimming velocity presented a strong negative linear relationship with dF (r = −.826, P < .001) and a moderate negative nonlinear relationship with dv (r = .734, P < .01). With the addition of the maximum impulse to dF, multiple-regression analysis explained 83% of the free-swimming performance. Conclusions: Assessing dF is a promising approach for evaluating a swimmer’s performance. From the experiments, this new parameter showed that swimmers with higher dF also present higher dv, leading to a decrease in performance.pt_PT
dc.description.versioninfo:eu-repo/semantics/publishedVersionpt_PT
dc.identifier.doihttps://doi.org/10.1123/ijspp.2017-0223pt_PT
dc.identifier.eissn1555-0273
dc.identifier.issn1555-0265
dc.identifier.urihttp://hdl.handle.net/10400.8/8938
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherHuman Kineticspt_PT
dc.relationCentre for Rapid and Sustainable Product Development
dc.relation.ispartofseries7;
dc.relation.publisherversionhttps://journals.humankinetics.com/view/journals/ijspp/13/7/article-p897.xmlpt_PT
dc.subjectPhysiologypt_PT
dc.subjectBiomechanicspt_PT
dc.subjectExercise performancept_PT
dc.titleIntracyclic Variation of Force and Swimming Performancept_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardTitleCentre for Rapid and Sustainable Product Development
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/6817 - DCRRNI ID/UID%2FMulti%2F04044%2F2013/PT
oaire.citation.endPage902pt_PT
oaire.citation.startPage897pt_PT
oaire.citation.titleInternational Journal of Sports Physiology and Performancept_PT
oaire.citation.volume13pt_PT
oaire.fundingStream6817 - DCRRNI ID
person.familyNameMorouço
person.givenNamePedro
person.identifier435983
person.identifier.ciencia-idF619-3996-742A
person.identifier.orcid0000-0002-5956-9790
person.identifier.ridK-9545-2013
person.identifier.scopus-author-id24339135400
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsclosedAccesspt_PT
rcaap.typearticlept_PT
relation.isAuthorOfPublication05b28d80-9e18-41cc-a66c-f37955bfc8da
relation.isAuthorOfPublication.latestForDiscovery05b28d80-9e18-41cc-a66c-f37955bfc8da
relation.isProjectOfPublication9c625981-b187-4078-8cb2-d84b0d21a477
relation.isProjectOfPublication.latestForDiscovery9c625981-b187-4078-8cb2-d84b0d21a477

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