Relation between Teeth Clenching and Grip Force Production Characteristics.

Churei, Hiroshi

doi:10.5357/koubyou.70.82

Cited by 25 publications

(8 citation statements)

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“…Teeth clenching on isokinetic muscular strength declined with increasing muscular fatigue Relationship between greater maximum force and quicker force production and clenching your teeth—There was a positive relationship What kind of neurophysiological changes happens during clenching (brain activation, excitability changes, and modulation of reflex)?…”

Section: What Is Known About Mouthguards and Performance Enhancement?mentioning

confidence: 99%

Mouthguards and their use in sports: Report of the 1st International Sports Dentistry Workshop, 2016

Lloyd

Nakamura²,

Maeda

et al. 2017

Dental Traumatology

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There appears to be much confusion or misinformation worldwide regarding mouthguards and their use in sports. In an effort to clarify where the international dental community stands on mouthguards and mouthguard research, the workshop looked at some important questions. The goal was to one day formulate consensus statements related to these questions, which will be based on current scientific evidence-based research, to motivate the international community of the importance of dentally fitted laminated mouthguards and the wearing of them by athletes of all sports. There are only five sports in the United States that require the use of mouthguards. If, through workshops such as this, the importance of wearing dentally fitted laminated mouthguards can be demonstrated, then more sports may require their athletes to wear them. K E Y W O R D Sconcussion prevention, mouthguards, performance enhancement, sports dentistry, sportsguards

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Section: What Is Known About Mouthguards and Performance Enhancement?mentioning

confidence: 99%

Mouthguards and their use in sports: Report of the 1st International Sports Dentistry Workshop, 2016

Lloyd

Nakamura²,

Maeda

et al. 2017

Dental Traumatology

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“…Moreover, in this study, increased clamping force was associated with the activation of relevant parts of the cerebral cortex in response to the clenching of teeth [21]. Churei's research, on the other hand, reports that the motor functions of the stomatognathic system, such as clenching teeth, not only increase the maximum gripping force, but also the speed of gripping force [11]. According to the literature on the subject, the impact of the neuromuscular activity of the stomatognathic system also affects motor control of movement and an increase in postural stability [22].…”

Section: Discussionmentioning

confidence: 50%

“…On the other hand, teeth clenching can cause an increase in some physical parameters, such as, e.g., muscle activity and force production [11]. This fact may suggest that in athletes practicing strength sports changes can be observed in the bioelectric potentials of the masticatory muscles.…”

Section: Introductionmentioning

confidence: 99%

Masticatory Muscles Activity in Sport Climbers

Ginszt

Zieliński

Byś

et al. 2020

IJERPH

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Masticatory muscle activity during teeth clenching is associated with changes in many physiological parameters throughout the body. Clenching can improve muscle activity, force production, rate of force development, and joint fixation. Hence, teeth clenching and masticatory muscle activity can be important in competitive sports activities. Sport climbing is becoming increasingly popular and will be included for the first time in the Summer Olympic Games, Tokyo, 2020. However, masticatory muscle activity in sport climbers has not yet been studied. The aim of the presented study is to compare the bioelectrical activity of the masticatory muscles in sport climbers and non-climbers in order to determine the relationship between these muscles and climbing activity. 44 subjects without masticatory system disorders (16 women and 28 men, average age 26.3) were divided into two groups of 22 sport climbers (8 women, 14 men, climbing experience >4 years), while 22 people (8 women, 14 men, with no regular sports activity) were assigned to the control group. Electromyographic examination of temporalis anterior (TA) and masseter muscle (MM) was evaluated in three conditions: during resting mandibular position, during maximum intercuspation clenching, and during maximum voluntary clenching with cotton rolls between teeth. For statistical analysis, the W Shapiro-Wilk test and the Mann-Whitney U test were used. Sport climbers showed significantly higher bioelectrical activities of MM during maximum intercuspation clenching (238.45 μV vs. 83.87 μV, p = 0.002), and during maximum voluntary clenching with cotton rolls between teeth (300.01 μV vs. 101.38 μV, p = 0.001) compared to controls. The differences between groups in relation to the resting bioelectrical activity of the MM muscles, and TA muscles in all conditions were not statistically significant (p > 0.05). Higher bioelectrical activity of masseter muscles during clenching in climbers can be associated with this sports activity. However, the mechanism remains unknown and requires future research.

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“…Furthermore, some previous studies revealed that the occlusal ability correlated with the stability and balance sense of body, fine motor skill, activity of body and fitness habits (16, 17). In addition, Churei (18) found that the maximal grip strength was augmented by the bite. However, some previous studies evaluated the ability of mastication in relation to the occlusal force and maximal occlusal force, and proved that these parameters did not affect the actual ability of mastication while eating food.…”

Section: Discussionmentioning

confidence: 99%

The relationships among child’s ability of mastication, dietary behaviour and physical fitness

Kibayashi

2011

Int J Dental Hygiene

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To investigate the relationships between the ability of mastication and physical fitness, and between the ability of mastication and dietary behaviour in children, I examined these parameters using the data of sugar elution rate, physical fitness and athletic ability survey and self-administered questionnaire on dietary behaviour on 171 sixth grade children (88 boys and 83 girls). The sugar elution rate was the index of the ability of mastication and was evaluated by the chewing gum method. The results of self-administered questionnaire on dietary behaviour were used as an index of dietary behaviour. Physical fitness was evaluated by the physical fitness and athletic ability survey of the Ministry of Education, Culture, Sports, Science and Technology, Japan. Regression analysis revealed that the sugar elution rate had significantly positive correlations with the mean grip strength, sit-up, sit-and-reach, repetition side steps and ball throw. The results of self-administered questionnaire on dietary behaviour revealed that the sugar elution rate was significantly higher in children, who had high expectation of food intake and high frequency of vegetable intake, than those with lower parameters. These results suggest that the ability of mastication correlates with physical fitness and dietary behaviour in children.

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Relation between Teeth Clenching and Grip Force Production Characteristics.

Cited by 25 publications

References 0 publications

Mouthguards and their use in sports: Report of the 1st International Sports Dentistry Workshop, 2016

Mouthguards and their use in sports: Report of the 1st International Sports Dentistry Workshop, 2016

Masticatory Muscles Activity in Sport Climbers

The relationships among child’s ability of mastication, dietary behaviour and physical fitness

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