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Effect on anterior temporalis surface emg of eyes open-closed condition
Pubblication date: /1/2010
Authors: A. Spadaro**, A. Monaco*, R. Cattaneo**, C. Masci**, R. Gatto***
Institution: School of Dentistry, University of L’Aquila, Italy
* Professor of Gnathology and Prosthetic Dentistry
** Staff Dentist, Department of Gnathology and Prosthetic Dentistry
*** Professor of Paediatric Dentistry
Publication: European Journal of Paediatric Dentistry
Title: Effect on anterior temporalis surface emg of eyes open-closed condition
Abstract: Background The use of rest surface EMG of jaw elevator muscles is still debated. The low voltage recorded in anterior temporalis muscle by electromyography (EMG) in rest position could be affected by electronic noise or by activity coming from other muscles. Our goal was to evaluate the physiological behaviour of the anterior temporalis by surface EMG at rest mandible position during open or closed eyes condition in healthy young subjects without both malocclusion and visual defect.
Methods Surface EMG of anterior temporalis, masseter, digastric, sternomastoid muscle and mandible kinesiographic movement were recorded in 20 young, healthy individuals without both malocclusion and visual defect during open-closed eyes condition.
Results No significant difference was found in surface EMG of anterior temporalis comparing eyes closed to eyes open condition.
Conclusion Physiology of open-closed eyes in healthy, young subjects without malocclusion or visual defect does not imply a change in surface EMG of anterior temporalis muscle.