頭位の変化が頭頸部の筋の筋活性に及ぼす影響について

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The purpose of this study is to reveal the relationship between the head position, and the head and neck muscles. At right and left tilting head positions in seated and standing, the activities of masseter, anterior temporal, posterior temporal, anterior digastric, sternocleidomastoid and trapezius muscles of twenty normal subjects were investigated electromyographically during clenching, tapping and chewing. The results obtained were as follows ; 1. During clenching in seated, the activities of masseter and trapezius muscles on the opposite side of the tilting side, and sternocleidomastoid muscle on the tilting side were increased. 2. During clenching in standing, the activities of masseter and trapezius muscles on theopposite side, and anterior temporal, posterior temporal and sternocleidomastoid muscles on the tilting side were increased. 3. During tapping in seated, the activities of posterior temporal and trapezius muscleson the opposite side were increased. 4. During tapping in standing, the activities of posterior temporal and anterior digastric muscle on the opposite side, and sternocleidomastoid muscles on the tilting side were increased. 5. During chewing in seated, the activities of masseter, anterior temporal, posterior temporal, anterior digastric muscles on the opposite side were increased. 6. During chewing in standing, the activities of sternocleidomastoid muscle on the tilting side were increased.
日本補綴歯科学会の論文
1990-10-01

頭位の変化が頭頸部の筋の筋活性に及ぼす影響について

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