Longer repetition duration increases muscle activation and blood lactate response in matched resistance training protocols
Motriz rev. educ. fís. (Impr.)
; 22(1): 35-41, Jan.-Mar. 2016. graf
Artigo
em Inglês
| LILACS
| ID: lil-776620
Biblioteca responsável:
BR33.1
ABSTRACT
This study analyzed the effect of different repetition durations on electromyographic and blood lactate responses of the bench press exercise. Fifteen recreationally trained male volunteers completed two training protocols, matched for intensity (% one-repetition maximum; 1RM), number of sets, number of repetitions, and rest intervals. One of the protocols was performed with a repetition duration of 4 s (2 s concentric 2 s eccentric; 22 protocol), whereas the second protocol had a repetition duration of 6 s (2 s concentric 4 s eccentric; 24 protocol). The results showed higher normalized integrated electromyography (pectoralis major and triceps brachii) for the 24 protocol. Blood lactate concentration was also higher in the 24 protocol across all sets. These results show that adding 2 s to the eccentric action in matched training protocols increases muscle activation and blood lactate response, which reinforces the notion that increasing repetition duration is an alternative load progression in resistance training.
Texto completo:
Disponível
Coleções:
Bases de dados internacionais
Base de dados:
LILACS
Assunto principal:
Ácido Láctico
/
Eletromiografia
/
Treinamento de Força
Limite:
Adulto
/
Humanos
/
Masculino
Idioma:
Inglês
Revista:
Motriz rev. educ. fís. (Impr.)
Assunto da revista:
Educação Física
/
Medicina Esportiva
/
MEDICINA FISICA E REABILITACAO
Ano de publicação:
2016
Tipo de documento:
Artigo
País de afiliação:
Brasil
Instituição/País de afiliação:
Pontifícia Universidade Católica de Minas Gerais/BR
/
Universidade Federal de Minas Gerais/BR