• Musculoskelet Sci Pract · Feb 2017

    Comparative Study

    Cervical flexion-rotation test and physiological range of motion - A comparative study of patients with myogenic temporomandibular disorder versus healthy subjects.

    • Tzvika Greenbaum, Zeevi Dvir, Shoshana Reiter, and Ephraim Winocur.
    • Department of Physical Therapy, Sackler Faculty of Medicine, Tel Aviv University, Israel. Electronic address: tzvikagg@gmail.com.
    • Musculoskelet Sci Pract. 2017 Feb 1; 27: 7-13.

    BackgroundTemporomandibular Disorders (TMD) refer to several common clinical disorders which involve the masticatory muscles, the temporomandibular joint (TMJ) and the adjacent structures. Although neck signs and symptoms are found with higher prevalence in TMD patients compared to the overall population, whether limitation of cervical mobility is an additional positive finding in this cohort is still an open question.ObjectiveTo compare the physiological cervical range of motion (CROM) and the extent of rotation during cervical flexion (flexion-rotation test, FRT) in people with TMD (muscular origin) and healthy control subjects.MethodThe range of motion of the neck and FRT was measured in 20 women with myogenic TMD and 20 age matched healthy controls.ResultsWomen with myogenic TMD had significantly lower FRT scores compared to their matched healthy women. No difference was found between groups in CROM in any of the planes of movement. The FRT was positive (less than 32°) in 90% of the TMD participants versus 5% in the healthy control but the findings were not correlated with TMD severity.ConclusionThe results point out a potential involvement of the upper cervical joints (c1-c2) in women with myogenic TMD.Copyright © 2016 Elsevier Ltd. All rights reserved.

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