Surface electromyography for evaluating patients with oromandibular dystonia.

IF 2 4区医学 Q2 DENTISTRY, ORAL SURGERY & MEDICINE

Cranio-The Journal of Craniomandibular & Sleep Practice Pub Date : 2024-05-01 Epub Date: 2021-08-29 DOI:10.1080/08869634.2021.1971448

Jae-Hyung Kim, Byung-Gook Kim, Yeong-Gwan Im

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引用次数: 0

Abstract

Objective: To investigate myoelectric signals of dystonic activities in oromandibular dystonia (OMD) subjects using surface electromyography (EMG).

Methods: Twelve OMD subjects were included in this study. Resting myoelectric activities of the superficial masseter, anterior temporalis, and anterior belly of the digastric muscle on both sides were monitored, and dystonic muscle contractions were recorded using surface EMG. Myoelectric signal amplitude, the type of muscle contraction, and contraction rate for phasic activities were evaluated.

Results: Surface EMG revealed that eight subjects had dystonic muscle activities in the phasic contraction pattern, three subjects had a tonic contraction pattern, and one subject had a mixed pattern. Synchronous contraction of dystonic muscles was frequently observed. Many of the monitored muscles showed high resting amplitudes.

Conclusion: Surface EMG detects abnormal muscle activities related to oromandibular dystonia. Surface EMG can serve as an objective method for diagnosing oromandibular dystonia.

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用于评估口颌肌张力障碍患者的表面肌电图。

目的：利用表面肌电图（EMG）研究口下颌肌张力障碍（OMD）患者肌电活动信号：使用表面肌电图（EMG）研究口下颌肌张力障碍（OMD）受试者肌电活动信号：本研究纳入了 12 名 OMD 受试者。方法：本研究纳入了 12 名 OMD 受试者，监测其两侧浅肌、前颞肌和前腹肌的静息肌电活动，并使用表面肌电图记录肌张力收缩。结果：结果：表面肌电图显示，8 名受试者的肌张力障碍肌肉活动为阶段性收缩模式，3 名受试者为强直性收缩模式，1 名受试者为混合模式。肌张力障碍肌肉经常出现同步收缩。许多被监测的肌肉显示出较高的静息振幅：结论：表面肌电图可检测到与口颌肌张力障碍有关的异常肌肉活动。表面肌电图可作为诊断下颌肌张力障碍的客观方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Cranio-The Journal of Craniomandibular & Sleep Practice DENTISTRY, ORAL SURGERY & MEDICINE-

CiteScore

4.50

自引率

12.50%

发文量

审稿时长

>12 weeks

期刊介绍： CRANIO: The Journal of Craniomandibular & Sleep Practice is the oldest and largest journal in the world devoted to temporomandibular disorders, and now also includes articles on all aspects of sleep medicine. The Journal is multidisciplinary in its scope, with editorial board members from all areas of medicine and dentistry, including general dentists, oral surgeons, orthopaedists, radiologists, chiropractors, professors and behavioural scientists, physical therapists, acupuncturists, osteopathic and ear, nose and throat physicians. CRANIO publishes commendable works from outstanding researchers and clinicians in their respective fields. The multidisciplinary format allows individuals practicing with a TMD emphasis to stay abreast of related disciplines, as each issue presents multiple topics from overlapping areas of interest. CRANIO''s current readership (thousands) is comprised primarily of dentists; however, many physicians, physical therapists, chiropractors, osteopathic physicians and other related specialists subscribe and contribute to the Journal.