How the anterior, middle and posterior portions of the temporalis muscle work during mastication
Braz. j. oral sci
;
10(3): 213-216, Jul.-Sep. 2011. ilus, tab
Artigo
em Inglês
| LILACS, BBO
| ID: lil-725245
ABSTRACT
Aim:
The aim of this study was to investigate mean electrical activity and how the anterior, middle, and posterior portions of the temporalis muscle work during mastication.Methods:
The sample consisted of 16 healthy male college freshmen trichotomized, aged between 18 and 25 years, with Angle's Class I and no temporomandibular disorders. Electromyographic (EMG) recordings were made in anterior, middle and posterior portions of the temporalis muscle during mastication for 5 s.Results:
It was found a significantly lower RMS value in the posterior portion (RMS 1243.92) compared with those of the anterior (RMS 2149.77) and middle (RMS 2531.38) portions.Conclusions:
There is an association between the portions of the temporalis muscle. It was found a significantly lower RMS value in the posterior portion showing that the anterior and middle portions of the muscle have a predominant function of maintaining movement during mastication.
Texto completo:
DisponíveL
Índice:
LILACS (Américas)
Assunto principal:
Músculo Temporal
/
Eletromiografia
/
Mastigação
Limite:
Humanos
/
Masculino
Idioma:
Inglês
Revista:
Braz. j. oral sci
Assunto da revista:
Odontologia
Ano de publicação:
2011
Tipo de documento:
Artigo
País de afiliação:
Brasil
Instituição/País de afiliação:
Electromyography Center/BR
/
University of Campinas/BR
/
University of São Paulo/BR
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