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Please use this identifier to cite or link to this item: http://hdl.handle.net/1843/42429
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dc.creatorLucas Túlio de Lacerdapt_BR
dc.creatorCinara Gonçalves Costapt_BR
dc.creatorFernando Vitor Limapt_BR
dc.creatorHugo César Martins Costapt_BR
dc.creatorRodrigo Cesar Ribeiro Dinizpt_BR
dc.creatorAndré Gustavo Pereira de Andradept_BR
dc.creatorGustavo Henrique da Cunha Peixoto Cançadopt_BR
dc.creatorMichael George Bembenpt_BR
dc.creatorMauro Heleno Chagaspt_BR
dc.date.accessioned2022-06-10T18:35:06Z-
dc.date.available2022-06-10T18:35:06Z-
dc.date.issued2019-06-
dc.citation.volume33pt_BR
dc.citation.issue6pt_BR
dc.citation.spage1629pt_BR
dc.citation.epage1639pt_BR
dc.identifier.doihttps://doi.org/10.1519/JSC.0000000000002148pt_BR
dc.identifier.issn1533-4287pt_BR
dc.identifier.urihttp://hdl.handle.net/1843/42429-
dc.description.resumoLacerda, LT, Costa, CG, Lima, FV, Martins-Costa, HC, Diniz, RCR, Andrade, AGP, Peixoto, GHC, Bemben, MG, and Chagas, MH. Longer concentric action increases muscle activation and neuromuscular fatigue responses in protocols equalized by repetition duration. J Strength Cond Res 33(6): 1629–1639, 2019—The aim of this study was to investigate the impact of protocols equalized by the repetition duration but composed of different concentric (CON) and eccentric (ECC) durations on muscle activation and neuromuscular fatigue. Seventeen males with previous experience in resistance training performed 3 training protocols (A — 2 second CON: 4 second ECC; B — 3 second CON: 3 second ECC; and C — 4 second CON: 2 second ECC) with the Smith machine bench press exercise, all with 3 sets, 6 repetitions, 3 minutes' rest, and 60% of 1RM. The normalized root mean square of the electromyographic signal (EMGRMS) and mean frequency electromyography (EMGMF) for pectoralis major and triceps brachii muscles were calculated for second and fifth repetitions in each set. The results showed an EMGMF decrease across the repetitions accompanied by a progressive increase of the EMGRMS across the repetitions for all protocols and muscles. The EMGRMS was higher in protocol C when compared with protocol A and B for pectoralis major. The EMGMF was lower in protocols B and C than in protocol A for pectoralis major throughout the sets and repetitions. A higher EMGRMS and a lower EMGMF were observed in protocols B and C compared with protocol A for triceps brachii, solely in the fifth repetition. In conclusion, training protocols conducted with the same repetition duration, but with different concentric and eccentric durations, produce distinct muscle activation and neuromuscular fatigue responses, in which performing longer concentric durations could be the more appropriate strategy to increase muscle activation and neuromuscular fatigue.pt_BR
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Geraispt_BR
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superiorpt_BR
dc.languageengpt_BR
dc.publisherUniversidade Federal de Minas Geraispt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentEEF - DEPARTAMENTO DE ESPORTESpt_BR
dc.publisher.initialsUFMGpt_BR
dc.relation.ispartofJournal of Strength and Conditioning Researchpt_BR
dc.rightsAcesso Restritopt_BR
dc.subjectElectromyographypt_BR
dc.subjectAmplitudept_BR
dc.subjectFrequencypt_BR
dc.subjectResistance trainingpt_BR
dc.subjectAcute effectpt_BR
dc.subject.otherEletromiografiapt_BR
dc.subject.otherCapacidade motorapt_BR
dc.subject.otherExercício isométricopt_BR
dc.subject.otherFadiga muscularpt_BR
dc.titleLonger concentric action increases muscle activation and neuromuscular fatigue responses in protocols equalized by repetition durationpt_BR
dc.typeArtigo de Periódicopt_BR
dc.url.externahttps://journals.lww.com/nsca-jscr/Fulltext/2019/06000/Longer_Concentric_Action_Increases_Muscle.20.aspxpt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-0735-8131pt_BR
dc.identifier.orcidhttp://orcid.org/0000-0001-9293-7340pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-0851-4730pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0001-9425-4447pt_BR
dc.identifier.orcidhttp://orcid.org/0000-0003-3406-4558pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-7024-3505pt_BR
dc.identifier.orcidhttps://orcid.org/0000-0002-1955-8990pt_BR
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