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Analysis of masseter muscle tension through electromyography among residents of the city of Buenos Aires - Argentina BABT
Pinto,Marcus Vinícius de Mello; Pereira Jr,Francisco José; Scaglione,Guilhermo Mario; Santos-Filho,Sebastião David; Silva,Cristiane Martins da; Silva,Marco Antônio Guimarães da; Rocha,Lamara Laguardia Valente; Gonçalves,Reggiani Vilela.
This study aimed at collecting data of masseter myofascial tension, related to the joint hyperactivity by electromyography activity of masseter muscle at rest, isotonic and isometric chewing. 08 patients living in the city of Buenos Aires, Argentina, volunteers, aged between 22 and 62 years, both sexes were evaluated. The electromyography data collection at rest had reported that 50% showed differences in masseter muscle tension increased in the left for the right masseter; in isometric contraction, 50% had a difference in masseter tension right; in isotonic contraction 62.5% there was a difference in increased tension in the left masseter. Anthropometry of the face was suggested, where 25% showed significant variance of 01 cm of discrepancy on the right,...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Muscle tension; Masseter; Electromyography.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132012000200008
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Effects of the infrared lamp illumination during the process of muscle fatigue in rats BABT
Abou-Hala,Andréia Zarzour; Barbosa,Daniella Galvão; Marcos,Rodrigo Labat; Pacheco-Soares,Cristina; Silva,Newton Soares da.
In this study the effects of infrared lamp illumination during the muscle fatigue process was studied. Three different groups (n=5) were used: one control group and two treated (Infrared Lamp 780-1400nm), with the energy densities of 0.5 and 1.0 J/cm² and time of illumination of 300 seconds. The treated animals were illuminated in one point directly in the tibialis muscle, after the first tetanic contraction out of six, with an interval between each tetany. The results were registered in an electrophysiograph and the intensity of the force of contraction in grams was analysed. It was observed that the control group presented a reduction in the intensity of the force of contraction, while the treated group managed to maintain it, which was clearly evident...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Muscle fatigue; Infrared illumination; Muscle tension; Tetany.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132007000300006
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