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学科主题口腔医学
Influence of bite force on jaw muscle activity ratios in subject-controlled unilateral isometric biting
Chen, Lei2; Proeschel, Peter Alfred1; Morneburg, Thomas Riccardo1
关键词Elevator Muscles Isometric Biting Emg Bite Force Activity Ratio
刊名JOURNAL OF ELECTROMYOGRAPHY AND KINESIOLOGY
2010-10-01
DOI10.1016/j.jelekin.2010.03.007
20期:5页:961-966
收录类别SCI
文章类型Article
WOS标题词Science & Technology
类目[WOS]Neurosciences ; Physiology ; Rehabilitation ; Sport Sciences
研究领域[WOS]Neurosciences & Neurology ; Physiology ; Rehabilitation ; Sport Sciences
关键词[WOS]TEMPOROMANDIBULAR-JOINT ; MASSETER MUSCLES ; RECRUITMENT ; DIRECTION ; PATTERN ; TASKS ; EMG
英文摘要

Ratios of muscle activities in unilateral isometric biting are assumed to provide information on strategies of muscle activation independently from bite force. If valid, this assumption would facilitate experiments as it would justify subject-control instead of transducer-based force control in biting studies. As force independence of ratios is controversial, we tested whether activity ratios are associated with bite force and whether this could affect findings based on subject-controlled force. In 52 subjects, bite force and bilateral masseter and temporalis electromyograms were recorded during unilateral biting on a transducer with varying force levels and with uniform subject-controlled force. Working/balancing and temporalis/masseter ratios of activity peaks were related to bite force peaks. Activity ratios were significantly but weakly correlated with the bite force. The subject-controlled force varied within +/-25% around the prescribed force in 95% of all bites. This scatter could cause a variation of group mean activity ratios of at most +/-6% because of the weak correlation between bite force and ratios. As this small variation is negligible in most cases, subject-control of bite force can be considered an appropriate method to obtain group means of relative muscle activation in particular when force control with transducers is not feasible. (C) 2010 Elsevier Ltd. All rights reserved.

语种英语
WOS记录号WOS:000280576100023
项目编号2003.009.1
资助机构Wilhelm-Sander-Foundation, Germany
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.bjmu.edu.cn/handle/400002259/56729
专题北京大学口腔医学院_口腔修复科
作者单位1.Univ Erlangen Nurnberg, Dept Prosthodont, Dent Clin 2, D-91054 Erlangen, Germany
2.Peking Univ, Dept Prosthodont, Sch & Hosp Stomatol, Beijing 700087, Peoples R China
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GB/T 7714
Chen, Lei,Proeschel, Peter Alfred,Morneburg, Thomas Riccardo. Influence of bite force on jaw muscle activity ratios in subject-controlled unilateral isometric biting[J]. JOURNAL OF ELECTROMYOGRAPHY AND KINESIOLOGY,2010,20(5):961-966.
APA Chen, Lei,Proeschel, Peter Alfred,&Morneburg, Thomas Riccardo.(2010).Influence of bite force on jaw muscle activity ratios in subject-controlled unilateral isometric biting.JOURNAL OF ELECTROMYOGRAPHY AND KINESIOLOGY,20(5),961-966.
MLA Chen, Lei,et al."Influence of bite force on jaw muscle activity ratios in subject-controlled unilateral isometric biting".JOURNAL OF ELECTROMYOGRAPHY AND KINESIOLOGY 20.5(2010):961-966.
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