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KMID : 1161120160060010001
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Journal of TMJ Balancing Medicine
2016 Volume.6 No. 1 p.1 ~ p.4
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Study on the EMG Signal Changes Depending on the Results of Restricted Cervical Rotation Test: Case Series Report
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Choi Kwang-Ho
Lee So-Min
Jeong Ui-Min
Kwon O-Sang
Lee Young-Jun
Lee Young-Jun
Jung Jee-Youn
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Abstract
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We investigated the potential of electromyography (EMG) for diagnosing imbalance in the temporomandibular joint (TMJ) to apply functional cerebrospinal therapy (FCST). The electromyography signals were measured in the sternocleidomastoid muscle (SCM) in patients with temporomandibular disorder (TMD) while a FCST specialist conducted a restricted cervical rotation test. In addition, we also observed the changes in the electromyography signals according to pre-treatment or treatment with a TMJ balancing appliance (TBA), a customized TMJ balancing appliance (CBA), or a CBA with one paper bar. The right SCMs of the two patients with right TMJ imbalance had high EMG signals in the right cervical rotation test, while the left SCMs showed low EMG signals in the left rotation. In addition, the high EMG signals in the right SCMs decreased when using the TBA or the CBA, but the EMG signals of the left SCMs showed low EMG values during the treatments. Furthermore, the EMG signals of the right SCMs rose again after artificial imbalance of the right TMJ by the CBA with one paper bar. This case report demonstrated the potential of EMG as an objective diagnostic method for FCST.
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KEYWORD
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Electromyography , Diagnosis , Temporomandibular disorder , Restricted cervical rotation test
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