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Analysis Characteristic the Using Surface Electromyography of Head Neck and Around of Shoulder Muscles Express Scaling Working of the Dental Hygienist  

Jeon, Eun-Suk (Department of Dental Hygiene, Choonhae College of Health Sciences)
Nam, Kun-Woo (Department of Physical Therapy, Choonhae College of Health Sciences)
Ha, Mi-Sook (Department of Physical Therapy, Choonhae College of Health Sciences)
Publication Information
Journal of dental hygiene science / v.12, no.4, 2012 , pp. 437-442 More about this Journal
Abstract
The current research examines the aching part and the muscle activity that happens during scaling practice subject to 20 dental hygienic students and therefore propose a basic data according to the working attitude of the Dental Hygienist. During the scaling we used the free EMG (BTS Inc., Milan, Italy) to measure the muscle activity, and in order to check the musculoskeletal pain area we used the Nordic-style questionnaire, and the measured research results are as following: At the moment of scaling according to posture the occurrence of the pain showed no difference among the groups elbow, back, leg, knee, ankle/foot but in the neck, shoulder, wrist/hand, waist showed a high difference in the degree of pain according to posture. Results from measuring the muscular activity according to posture, in the group that had a good posture, the trapezius and brachial muscles showed a change according to time, and in the group that had a bad posture a high muscle activity was shown in larynx, trapezius and brachial muscles. In the muscle activity, the changing aspect between the two parts, the group that fulfilled a scaling in a good posture showed a low muscle activity, but in the group that fulfilled the scaling in a bad posture the muscle activity increased excessively. Therefore we examined that when fulfilling a scaling maintaining a bad posture can help in using more effectively the activity of the muscle, in the future I think there is a need to raise the office efficiency by subjecting to dental hyginiest that are in the clinics and performing experiments.
Keywords
Dental hygienist; Scaling; Surface electromyography;
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