The effect of electrode placement on frontalis EMG measurement in headache patients |
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| Authors: | Dr Steve H Sanders Dr Frank Collins |
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| Institution: | (1) University of Mississippi Medical Center, USA;(2) Division of Behavioral Medicine, University of Utah Medical Center, 50 North Medical Drive, 84132 Salt Lake City, Utah;(3) Present address: the University of West Virginia, Morgantown, West Virginia |
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| Abstract: | Comparisons were made between frontalis EMG surface recordings concurrently taken from horizontal, right vertical, and left vertical electrode placement configurations. Six migraine and seven tension headache patients were used as subjects. Results showed that, in general, a positive correlation existed between recordings from the three placements for both migraine and tension subjects as a group. However, marked individual differences were noted. It was concluded that electrode placement can be quite important in measuring changes in frontalis muscle tension for headache patients. |
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