Masseter Muscle Activity in Track and Field Athletes: A Pilot Study

被引:12
作者
Nukaga, Hideyuki [1 ]
Takeda, Tomotaka [1 ]
Nakajima, Kazunori [1 ]
Narimatsu, Keishiro [1 ]
Ozawa, Takamitsu [1 ]
Ishigami, Keiichi [1 ]
Funato, Kazuo [2 ]
机构
[1] Tokyo Dent Coll, Dept Sports Dent, Chiyoda Ku, 2-9-18 Misaki, Tokyo 1010061, Japan
[2] Nippon Sports Sci Univ, Dept Grad Course Training Sci, Sports Ctr, Aoba Ku, Yokohama, Kanagawa 2270033, Japan
来源
OPEN DENTISTRY JOURNAL | 2016年 / 10卷
关键词
Clenching; High jump; Javelin throw; Long jump; Masseter muscle; Short sprint; Shot put; Track and Field;
D O I
10.2174/1874210601610010474
中图分类号
R78 [口腔科学];
学科分类号
1003 ;
摘要
Teeth clenching has been shown to improve remote muscle activity (by augmentation of the Hoffmann reflex), and joint fixation (by decreased reciprocal inhibition) in the entire body. Clenching could help maintain balance, improve systemic function, and enhance safety. Teeth clenching from a sports dentistry viewpoint was thought to be important and challenging. Therefore, it is quite important to investigate mastication muscles' activity and function during sports events for clarifying a physiological role of the mastication muscle itself and involvement of mastication muscle function in whole body movement. Running is a basic motion of a lot of sports; however, a mastication muscles activity during this motion was not clarified. Throwing and jumping operation were in a same situation. The purpose of this study was to investigate the presence or absence of masseter muscle activity during track and field events. In total, 28 track and field athletes took part in the study. The Multichannel Telemetry system was used to monitor muscle activity, and the electromyograms obtained were synchronized with digital video imaging. The masseter muscle activity threshold was set 15% of maximum voluntary clenching. As results, with few exceptions, masseter muscle activity were observed during all analyzed phases of the 5 activities, and that phases in which most participants showed masseter muscle activity were characterized by initial acceleration, such as in the short sprint, from the commencement of throwing to release in both the javelin throw and shot put, and at the take-off and landing phases in both jumps.
引用
收藏
页码:474 / 485
页数:12
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