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Head immobilization can impair jaw function
University of Gävle, Centre for Musculoskeletal Research. Department of Odontology, Clinical Oral Physiology, Umeå University, Umeå, Sweden.
Clinical Neurophysiology, Department of Clinical Neurosciences, Umeå University, Sweden.
University of Gävle, Centre for Musculoskeletal Research. Department of Odontology, Clinical Oral Physiology, Umeå University, Umeå, Sweden.
University of Gävle, Centre for Musculoskeletal Research. Department of Odontology, Clinical Oral Physiology, Umeå University, Umeå, Sweden.
2006 (English)In: Journal of Dental Research, ISSN 0022-0345, E-ISSN 1544-0591, Vol. 85, no 11, 1001-1005 p.Article in journal (Refereed) Published
Abstract [en]

Findings that jaw-opening/-closing relies on both mandibular and head movements suggest that jaw and neck muscles are jointly activated in jaw function. This study tested the hypothesis that rhythmic jaw activities involve an active repositioning of the head, and that head fixation can impair jaw function. Concomitant mandibular and head-neck movements were recorded during rhythmic jaw activities in 12 healthy adults, with and without fixation of the head. In four participants, the movement recording was combined with simultaneous registration of myoelectric activity in jaw and neck muscles. The results showed neck muscle activity during jaw opening with and without head fixation. Notably, head fixation led to reduced mandibular movements and shorter duration of jaw-opening/-closing cycles. The findings suggest recruitment of neck muscles in jaw activities, and that head fixation can impair jaw function. The results underline the jaw and neck neuromuscular relationship in jaw function.

Place, publisher, year, edition, pages
2006. Vol. 85, no 11, 1001-1005 p.
Keyword [en]
adult; article; electromyography; female; head movement; human; immobilization; jaw disease; male; mandible; masticatory muscle; movement (physiology); neck muscle; physiology; reflex recruitment, Adult; Electromyography; Female; Head Movements; Humans; Immobilization; Male; Mandible; Mandibular Diseases; Masticatory Muscles; Movement; Neck Muscles; Recruitment, Neurophysiological
National Category
Environmental Health and Occupational Health
Identifiers
URN: urn:nbn:se:hig:diva-22680DOI: 10.1177/154405910608501105ScopusID: 2-s2.0-33750719142OAI: oai:DiVA.org:hig-22680DiVA: diva2:1040929
Available from: 2016-10-30 Created: 2016-10-30 Last updated: 2016-10-30Bibliographically approved

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