ELETROMIOGRAFIA DE SUPERFICIE PDF

Sorry, but Javascript is not enabled in your browser! How to cite. MARC format. OAI DC format. Master's Dissertation.

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Sorry, but Javascript is not enabled in your browser! How to cite. MARC format. OAI DC format. Master's Dissertation. Faculdade de Medicina. Rehabilitation Sciences. Surface electromyography and clinical assessment of the patients with peripheral facial palsy. Surface electromyography is a noninvasive and painless test that allows the study of muscle electrical activity.

The purpose of this study was to assess, through surface electromyography, the activity of the risorius and zygomaticus muscles, during the production of voluntary smiles and to compare these data between two groups of individuals with different onset times of peripheral facial palsy.

All of the participants were submitted to the following assessments: clinical protocol for the assessment of facial mimic and surface electromyography of the risorius and zygomaticus muscles. RESULTS: the results suggest that the groups of individuals with Peripheral Facial Palsy differed from the control group considering muscle activity during rest and during the production of voluntary smiles, regardless of the onset time of the disease. The groups with Peripheral Facial Palsy did not differ between themselves in any of the tested situations.

The group with Peripheral Facial Palsy with longer onset time presented greater muscle activation asymmetry during the production of the voluntary smiles when compared to the other two groups. Muscle asymmetry was more evident when considering the results for the risorius muscle.

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This study aimed to explore the usefulness of measuring respiratory muscle activity in mechanically ventilated patients suffering from acute organophosphate poisoning, with a view towards providing complementary information to determine the best time to suspend ventilatory support. Surface electromyography in respiratory muscles diaphragm, external intercostal and sternocleidomastoid muscles was recorded in a young man affected by self-poisoning with an unknown amount of parathion to determine the muscle activity level during several weaning attempts from mechanical ventilation. The energy distribution of each surface electromyography signal frequency, the synchronization between machine and patient and between muscles, acetylcholinesterase enzyme activity, and work of breathing and rapid shallow breathing indices were calculated in each weaning attempt. The diaphragm gradually increased its engagement with ventilation, achieving a maximal response that correlated with successful weaning and maximal acetylcholinesterase enzyme activity; in contrast, the activity of accessory respiratory muscles showed an opposite trend.

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