Immediate effects of rhythmic joint mobilization of the temporomandibular joint on pain,mouth opening and electromyographic activity in patients with temporomandibular disorders |
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| Institution: | 1. Department of Physical Therapy, Musculoskeletal Research Unit – UIM, University Center for Assistance, Teaching and Research – CUADI, University of Gran Rosario – UGR, Rosario, Argentina;2. University of Gran Rosario – UGR, Rosario, Argentina;3. Italian University Institute of Rosario – IUNIR, Rosario, Argentina;1. Department of Morphology and Genetics, Escola Paulista de Medicina da Universidade Federal de Sao Paulo, Sao Paulo, Sao Paulo State (SP), Brazil;2. Department of Public Health, Universidade de Santo Amaro, Sao Paulo, SP, Brazil;3. Department of Prosthodontics, Universidade de Sao Paulo, Bauru, SP, Brazil;1. Temporomandibular Disorders and Orofacial Pain Clinic of the Oral and Maxillofacial Surgery Department, School of Dentistry, University of São Paulo, São Paulo, SP, Brazil;2. Postgraduate Program in Dental Sciences, University of São Paulo, São Paulo, SP, Brazil;1. College of Physical Education and Dance, Federal University of Goiás, Goiânia, Brazil;2. Physical Education and Sport Center, Federal University of Espírito Santo, Vitória, Brazil;3. Navarrabiomed-Public University of Navarra (UPNA)-Navarra Hospital Complex (CHN), Health Research Institute of Navarra (IdiSNA), Pamplona, Spain;4. Hypertension League Federal University of Goiás, Goiânia, Brazil;1. Physical Therapy, Department for Basic Science, Faculty of Physical Therapy, Cairo University, Cairo, Egypt;2. Physical Therapy, Department for Basic Science, Faculty of Physical Therapy, Kafer-ElSheikh University, Kaferlelshiek, Egypt;3. Department of Physical Therapy for Surgery, Faculty of Physical Therapy, South Valley University, Egypt;4. Physical Therapy, Department of Women Health, Faculty of Physical Therapy, Kafer-ElSheikh University, Kaferlelshiek, Egypt;1. Department of Physical Therapy, Musculoskeletal Research Unit – UIM, University Center for Assistance, Teaching and Research – CUADI, University of Gran Rosario, Rosario, Argentina;2. Department of Physical Therapy, Musculoskeletal Research Group - NIME, Federal University of Juiz de Fora, Brazil;1. Department of Clinical Korean Medicine, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea;2. Department of Rehabilitation Medicine of Korean Medicine, College of Korean Medicine, Kyung Hee University, Seoul 02447, Republic of Korea;3. Jaseng Hospital of Korean Medicine, Seoul 06110, Republic of Korea;4. Jaseng Spine and Joint Research Institute, Jaseng Medical Foundation, Seoul 06110, Republic of Korea;5. Department of Rehabilitation Medicine of Korean Medicine, Spine and Joint Center, Pusan National University Korean Medicine Hospital, Yangsan 50612, Republic of Korea |
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| Abstract: | BackgroundRhythmic joint mobilizations (RJM) of the temporomandibular joint (TMJ) are employed to relieve pain and improve function in patients with temporomandibular disorders (TMD). However, the evidence on the immediate effects of RJM in patients with TMD is scarce. The aim of this study was to assess the immediate clinical and functional effects of RJM in patients with TMD.Materials and methodsThis was a one-group quasi-experimental before and after study. Thirty-eight patients with TMD were assessed by means of pain intensity (visual analogue score, VAS), pressure pain threshold (PPT, measured through pressure algometry on the masseter and temporal muscles), mouth opening (MO, measured with a ruler), and surface electromyographic activity of the masseter and temporal muscles (asymmetry index, AI). Measurements were performed before and after a single, 1-min session of RJM of each TMJ. All statistical analyses were performed using the SPSS version 20.0 statistical package.ResultsA statistical significant difference was found in pain intensity, PPT and MO after the intervention (p < 0.05). No difference was found in the AI. A large effect size was observed for pain intensity, PPT of the left and right masseter muscles and MO (d = 0.85–1.13), whereas for the left and right temporal muscles the effect size was moderate (d = 0.62) and small, respectively (d = 0.49).ConclusionIn this sample of patients with TMD, a single session of RJM of the TMJ seemed to be effective in reducing pain intensity, increasing PPT and improving MO immediately after the intervention, without differences in the AI. |
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| Keywords: | Rhythmic joint mobilizations Temporomandibular disorders Pain Mouth opening Electromyography |
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