개구제한시 하악운동연습의 효과에 관한 근전도학적 연구
AN ELECTROMYOGRAPHIC STUDY OF THE EFFICIENCY OF MANDIBULAR MOVEMENT EXERCISE ON OPENING LIMTTATION
송창권, 하견수, 정호인,
소속 상세정보
송창권 ( ) - 원광대학교
하견수 ( ) - 원광대학교
정호인 ( ) - 원광대학교
KMID : 0355219920170010061
Abstract
52 Dental students without masticatory problems were selected for this study. They were trained on several mandibular position and mandibular movement exercise, that is, rest position, light bite, tapping, hinge opening, habitual opening, opening
limitation, stretch exercise, resistance exercise and clenching.
The objectives of this study was to investigate the effects of mandibular movement exercise, especially stretch and resistance, on the experimentally guided limited mouth opening. Muscle activity of the anterior temporalis and the masseter on
above
mentioned position or exercise were recorded with bioelectric processor EM2(Mytronics, U.S.A.) and the data were processed with SPSS.
@ES The obtained results were as follows ;
@EN 1. Activity of the muscles at rest position were decreased with mandibular movement exercise.
2. Forceful mouth opening on opening limitation increased muscle activity greatly, especially of the masseter.
3. On opening limitation, stretch or resistance exercise was very efficient for decrease of muscle activities.
4. There were no difference of muscle activity between on hinge opening and on habitual opening. Therfore, for muscle relaxation, the two movement exercise can be used interchangeably.
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