Resistance training with different repetition duration to failure: effect on hypertrophy, strength and muscle activation

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dc.creatorLucas Túliolacerda
dc.creatorMauro Heleno Chagas
dc.creatorRodrigo Otávio Marra-lopes
dc.creatorMarcel Bahia Lanza
dc.creatorRodrigo César Ribeiro Diniz
dc.creatorFernando Vitor Lima
dc.creatorHugo Cesar Martins-costa
dc.creatorGustavo Ferreira Pedrosa
dc.creatorAndré Gustavo Pereira Andrade
dc.creatorArmin Kibele
dc.date.accessioned2023-07-19T19:24:07Z
dc.date.accessioned2025-09-09T01:09:50Z
dc.date.available2023-07-19T19:24:07Z
dc.date.issued2021-02-25
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Gerais
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
dc.format.mimetypepdf
dc.identifier.doihttp://doi.org/10.7717/peerj.10909
dc.identifier.issn2167-8359
dc.identifier.urihttps://hdl.handle.net/1843/56761
dc.languageeng
dc.publisherUniversidade Federal de Minas Gerais
dc.relation.ispartofPeerJ
dc.rightsAcesso Aberto
dc.subjectFisiologia
dc.subjectSaúde Global
dc.subjectAnatomia
dc.subject.otherAnatomy and Physiology
dc.subject.otherGlobal Health
dc.subject.otherKinesiology
dc.titleResistance training with different repetition duration to failure: effect on hypertrophy, strength and muscle activation
dc.typeArtigo de periódico
local.citation.epage26
local.citation.spagee10909
local.citation.volume9
local.description.resumoBackground. This study investigated the effects of two 14-week resistance training protocols with different repetition duration (RD) performed to muscle failure (MF) on gains in strength and muscle hypertrophy as well as on normalized electromyographic (EMG) amplitude and force-angle relationships. Methods. The left and right legs of ten untrained males were assigned to either one of the two protocols (2-s or 6-s RD) incorporating unilateral knee extension exercise. Both protocols were performed with 34 sets, 5060% of the one-repetition maximum (1RM), and 3 min rest. Rectus femoris and vastus lateralis cross-sectional areas (CSA), maximal voluntary isometric contraction (MVIC) at 30o and 90o of knee flexion and 1RM performance were assessed before and after the training period. In addition, normalized EMG amplitude-angle and force-angle relationships were assessed in the 6th and 39th experimental sessions. Results. The 6-s RD protocol induced larger gains in MVIC at 30o of knee angle measurement than the 2-s RD protocol. Increases in MVIC at 90o of knee angle, 1RM, rectus femoris and vastus lateralis CSA were not significant between the 2-s and 6-s RDprotocols. Moreover, different normalized EMG amplitude-angle and force-angle values were detected between protocols over most of the angles analyzed. Conclusion. Performing longer RD could be a more appropriate strategy to provide greater gains in isometric maximal muscle strength at shortened knee positions. However, similar maximum dynamic strength and muscle hypertrophy gains would be provided by protocols with different RD.
local.identifier.orcidhttps://orcid.org/0000-0002-1955-8990
local.publisher.countryBrasil
local.publisher.departmentEEF - DEPARTAMENTO DE ESPORTES
local.publisher.departmentEEFFTO - ESCOLA DE EDUCAÇÃO FISICA, FISIOTERAPIA E TERAPIA OCUPACIONAL
local.publisher.initialsUFMG
local.url.externahttps://peerj.com/articles/10909/#

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