Resistance training and growth hormone (GH): effects on histology and typing of gastrocnemius muscle fibers

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Autor(es): dc.contributorUniversidade Estadual Paulista (UNESP)-
Autor(es): dc.contributorUNOESTE-
Autor(es): dc.contributorUniversidade Estadual de Campinas (UNICAMP)-
Autor(es): dc.contributorUniversidade de São Paulo (USP)-
Autor(es): dc.contributorUFMA-
Autor(es): dc.contributorUniversidade Federal de Mato Grosso do Sul (UFMS)-
Autor(es): dc.creatorCastoldi, Robson Chacon-
Autor(es): dc.creatorGiometti, Ines Cristina-
Autor(es): dc.creatorOzaki, Guilherme Akio Tamura-
Autor(es): dc.creatorGarcia, Thiago Alves-
Autor(es): dc.creatorMoreira, Rafael Junges-
Autor(es): dc.creatorMostarda, Cristiano Teixeira-
Autor(es): dc.creatorde Oliveira-Júnior, Silvio Assis-
Autor(es): dc.creatorBelangero, William Dias-
Autor(es): dc.creatorFilho, José Carlos Silva Camargo-
Data de aceite: dc.date.accessioned2025-08-21T17:24:29Z-
Data de disponibilização: dc.date.available2025-08-21T17:24:29Z-
Data de envio: dc.date.issued2025-04-29-
Data de envio: dc.date.issued2024-03-01-
Fonte completa do material: dc.identifierhttp://dx.doi.org/10.1007/s11332-023-01091-7-
Fonte completa do material: dc.identifierhttps://hdl.handle.net/11449/300236-
Fonte: dc.identifier.urihttp://educapes.capes.gov.br/handle/11449/300236-
Descrição: dc.descriptionPurpose: The aim of this study was to investigate the effects of the application of GH and the realization of an RT protocol on the gastrocnemius muscle of Wistar rats using histological parameters. Methods: In total, 40 male animals Wistar rats (were used, 60 days old) were distributed into four groups: control (C) [n = 10], control and application of GH (GHC) [n = 10], training (T) [n = 10], and training and application of GH (GHT) [n = 10]. The training period consisted of 4 weeks. The amount of 0.2 IU per kilogram of body mass (0.2 IU/Kg) of “somatotropin” (GH) was administered. The RT was composed of four series of ten jumps, performed three times a week, on non-consecutive days. Histological analyses were performed with Hematoxylin–Eosin (HE) and Nicotinamide Adenine Dinucleotide Tetrazolium Reductase (NADH-TR). Results: A significant increase in body mass was verified in the animals in the GHT group after the first and second weeks of training (p < 0.05). An increase in the diameter of muscle fibers was observed in the GHC, T, and GHT groups of animals, especially in fast-twitch fibers (p < 0.05). Conclusion: In conclusion, both GHT and T groups demonstrated hypertrophy of muscle fibers, mainly in fast-twitch fibers.-
Descrição: dc.descriptionDepartment of Physical Therapy São Paulo State University UNESP, Roberto Simonsen Street, 305, Neighbor: Centro Educacional, SP-
Descrição: dc.descriptionFaculty of Veterinary Medicine University of Western São Paulo UNOESTE, Raposo Tavares Road, Km 572, Neighbor: Limoeiro, SP-
Descrição: dc.descriptionFaculty of Medical Sciences State University of Campinas UNICAMP, Tessália Vieira de Camargo Street, 126, Neighbor: Cidade Universitária Zeferino Vaz, SP-
Descrição: dc.descriptionDepartment of Physiology and Biophysics Institute of Biomedical Sciences University of São Paulo USP, R. da Reitoria, 374, Neighbor: Cidade Universitária, Butantã, SP-
Descrição: dc.descriptionDepartment of Physical Education Federal University of Maranhao UFMA, Av. Dos Portugueses, 1966, Neighbor: Bacanga, MA-
Descrição: dc.descriptionGraduate Program in Movement Sciences Federal University of Mato Grosso do Sul UFMS, Cidade Universitária, Av, Costa e Silva, Neighbor: Pioneiros, MS-
Descrição: dc.descriptionLaboratório de Análise da Plasticidade Muscular LAPMUS UNESP/FCT, Campus de Presidente Prudente, Roberto Simonsen Street, 305, Neighborhood: Centro Educacional, SP-
Descrição: dc.descriptionDepartment of Physical Therapy São Paulo State University UNESP, Roberto Simonsen Street, 305, Neighbor: Centro Educacional, SP-
Descrição: dc.descriptionLaboratório de Análise da Plasticidade Muscular LAPMUS UNESP/FCT, Campus de Presidente Prudente, Roberto Simonsen Street, 305, Neighborhood: Centro Educacional, SP-
Formato: dc.format203-210-
Idioma: dc.languageen-
Relação: dc.relationSport Sciences for Health-
???dc.source???: dc.sourceScopus-
Palavras-chave: dc.subjectGrowth hormone-
Palavras-chave: dc.subjectHistological techniques-
Palavras-chave: dc.subjectPhysical training-
Palavras-chave: dc.subjectResistance training-
Palavras-chave: dc.subjectStriated muscle-
Título: dc.titleResistance training and growth hormone (GH): effects on histology and typing of gastrocnemius muscle fibers-
Tipo de arquivo: dc.typelivro digital-
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