Head movements and neck muscle activities associated with the jaw movement during mastication in the rabbit authors |
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| Authors: | Naoko Igarashi Kensuke Yamamura Yoshiaki Yamada Shoji Kohno |
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| Affiliation: | a Department of Removable Prosthodontics, Niigata University Faculty of Dentistry, Gakko-cho 2-5274, Niigata 951-8514, Japan;b Department of Oral Physiology, Niigata University Faculty of Dentistry, Niigata 951-8514, Japan |
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| Abstract: | Rhythmical head movements and neck muscle activities associated with the masticatory jaw movement were investigated in rabbits. In natural mastication, head movements and neck muscle activities showed a rhythmical feature synchronized with jaw movement. During cortically induced rhythmical jaw movements, some neck muscle showed rhythmical activity induced by biting a wooden stick. Neck muscles may contribute to the rhythmical head movement after loading the tooth with food. |
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| Keywords: | Head movement Neck muscle Mastication |
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