A PRELIMINARY ELECTROMYOGRAPHIC STUDY OF BITE FORCE AND JAW-CLOSING MUSCLE FATIGUE IN HUMAN-SUBJECTS WITH ADVANCED TOOTH WEAR

被引:32
作者
LYONS, MF [1 ]
BAXENDALE, RH [1 ]
机构
[1] UNIV GLASGOW,INST PHYSIOL,GLASGOW G12 8QQ,SCOTLAND
关键词
D O I
10.1111/j.1365-2842.1990.tb00014.x
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
The maximum bite force was recorded in five experimental volunteers with advanced tooth wear and five control volunteers who showed no abnormal wear. All subjects were then asked to maintain a force of 50% of the maximum for as long as possible while surface electromyograms from the masseter and temporalis muscles were recorded. The bite force and endurance time were found to be slightly increased in the experimental group, but no conclusions could be drawn regarding the state of fatigue. Two significant problems with regard to fatigue studies of the jaw‐closing muscles emerged from the study, namely the use of the canine position for recording of the force, and the thickness of the force meter. Copyright © 1990, Wiley Blackwell. All rights reserved
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页码:311 / 318
页数:8
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