| Autor: |
Truong Quang Dang Khoa, Ngo Thanh Hoan, Nguyễn Hồng Thao, Le Minh Hoa, Vo Van Toi, Nguyễn H. M. Tâm, Đặng Nam Huân |
| Rok vydání: |
2010 |
| Předmět: |
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| Zdroj: |
IFMBE Proceedings ISBN: 9783642120190 |
| DOI: |
10.1007/978-3-642-12020-6_67 |
| Popis: |
It has been thought that imbalance in the jaws may cause loss in arm strength. However to the best of our knowledge there has been no study on this topic. In this pilot study we quantified this phenomenon. A pool of 34 healthy subjects (ages from 19 to 21 years old; average age: 19.8±0.9 years old) participated in this study. They were randomly selected to participate in different experimental paradigms. Most of them were naive to the study. All signed the consent forms. The subjects were asked to stand straight and extend their arms and legs in frontal plan. The ratio of the distance between the 2 feet and their heights was the same to all subjects and equal to 0.25. The goal of this investigation was to record the maximum forces that the subjects can resist against a pull-down force on their hands while biting a spacer of adjustable height in the left or right or both sides of their jaws or using the incisors. The control group consisted of data obtained without using spacer and on the other side of the arm. The experimental protocol consisted of several paradigms. The order of executing the paradigms was random. The results showed that (1) Imbalance bite induces contralateral loss of arm strength; (2) The loss is approximately a linear function of the height of the spacers; (3) The loss leveled when the spacer was higher than 2mm; (4) The slopes of the linear function were similar in both arms and independent to the gender; and (5) The arm strength of male was higher than that of female subjects. This investigation may be interesting in sport medicine to study the effects of the mouth guards on the athlete arm strength. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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