Effects of the back-squat exercise on lower limb myoelectric activity in trained men: a systematic review

Autores/as

DOI:

https://doi.org/10.33233/rbfex.v20i1.4396

Palabras clave:

electromyography; squat exercise; resistance training; muscle strength

Resumen

Aim: The aim of this study was to describe the effects of the back-squat exercise on the lower limb myoelectric activity in trained men. Methods: We conducted a systematic review following the recommendations of PRISMA. Medline (PubMed), Scielo, Scopus, SPORTDiscus, and Lilacs databases were searched. The search terms included electromyography, exercise, resistance training, and squat. We included experimental studies that described the back-squat exercise using surface electromyography (EMG) in men experienced in resistance training and back squat exercise at angles from 60º to 90º. Results: Eight studies met the inclusion criteria. The interventions of the included studies ranged from 2 to 7 days. The protocols demonstrated to improve the neuromuscular system and to provide greater acquisition of strength in the muscles involved in performing the back-squat exercise (p < 0.05). Thirty-seven muscles were analyzed, with a predominance of the vastus lateralis, vastus medialis, gluteus maximus, and rectus femoris muscles. Conclusion: The studies investigated in this review showed that the back-squat exercise at angles from 60º to 90º increased the lower limb myoelectric activity recorded in loads of 30% and 100% of 1RM in men experienced in resistance training. However, more studies with higher methodological quality are needed in the analysis of the squat exercise to reduce the risk of bias.

Biografía del autor/a

Rogério Santos de Aguiar, UERJ

Programa de Pós-Graduação em Ciências do Exercício e do Esporte, Instituto de Educação Física e Esportes da Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, Brasil, Laboratório de Exercício e Esporte, Instituto de Educação Física e Esportes da Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brasil

Juliana Brandão Pinto de Castro, UERJ

Programa de Pós-Graduação em Ciências do Exercício e do Esporte, Instituto de Educação Física e Esportes da Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, Brasil, Laboratório de Exercício e Esporte, Instituto de Educação Física e Esportes da Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brasil

Andressa Oliveira Barros dos Santos, UERJ

Programa de Pós-Graduação em Ciências do Exercício e do Esporte, Instituto de Educação Física e Esportes da Universidade do Estado do Rio de Janeiro (UERJ), Rio de Janeiro, Brasil, Laboratório de Exercício e Esporte, Instituto de Educação Física e Esportes da Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brasil, Grupo de Pesquisa em Biodinâmica de Desempenho, Exercícios e Saúde (BIODESA), Rio de Janeiro, RJ, Brasil

Giullio César Pereira Salustiano Mallen da Silva, UCB

Grupo de Pesquisa em Biodinâmica de Desempenho, Exercícios e Saúde (BIODESA), Rio de Janeiro, RJ, Brasil, Universidade Castelo Branco (UCB), Rio de janeiro, RJ, Brasil

Fabiana Rodrigues Scartoni, UCP

Universidade Católica de Petrópolis, RJ

Rodolfo de Alkmim Moreira Nunes, UERJ

Programa de Pós-Graduação em Ciências do Exercício e do Esporte, Instituto de Educação Física e Esportes da Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brasil

Rodrigo Gomes de Souza Vale, UERJ

Programa de Pós-Graduação em Ciências do Exercício e do Esporte, Instituto de Educação Física e Esportes da Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Laboratório de Fisiologia do Exercício, Universidade Estácio de Sá, Cabo Frio, RJ, Brasil 

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Publicado

2021-07-25