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- 小幡 悦朗
- 鹿児島大学医学部耳鼻咽喉科学教室
書誌事項
- タイトル別名
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- Research in the development of a facial EMG topography system and its clinical application.
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To evaluate tc tal facial movement, the author developed color EMG mapping of the face (Face EMG Topogram) using a multi-practicable computerized topography system. Du ring voluntary contractions of mimetic muscles, such as lifting the skin of the forehead, closing the eyes, pushing the eyes and blowing out the cheeks, 16 monopolar EMG are concurrently recorded from the surface of the face bilaterally: frontal, orbicularie oculi, orbi.cularis oris, etc. The data are fed to an on-line computer and integrated and calculated with interpolation formulae. To emphasize the activity of each recording area, the author used an 11-color computer-graphic display or an 11-plotting-pattern display. These grades of display are considered to be related to the amount of muscular activity. The results obtained from normal subjects were reliable and reproducible. Next, the author applied this system to patients with facial nerve paralysis and discussed the differences between the facial grading methods which depend on visual determination or topographic grading. In the topographic grading method the area ratio of the paralytic side to the normal side was calculated in each class (CO to CX).<br>The results showed little variation of each facial movement, but some significant differences were obtained between the methods of evaluation. The Face EMG Topogram was a precise, non-invasive objective technique of quantifying facial movements and facial palsy.
収録刊行物
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- 耳鼻咽喉科臨床
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耳鼻咽喉科臨床 81 (6), 815-832, 1988
耳鼻咽喉科臨床学会
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詳細情報 詳細情報について
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- CRID
- 1390282679241742208
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- NII論文ID
- 130001810931
- 80003862488
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- ISSN
- 18844545
- 00326313
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
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