Association between subscapularis trigger point and frozen shoulder: A cross sectional study |
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| Affiliation: | 1. College of Physiotherapy, Srinivas University, Mangaluru, India;2. College of Physiotherapy Srinivas University, Mangaluru, India;1. Department of Orthopedics and Rehabilitation, University of Wisconsin Hospitals and Clinics, Madison, WI;2. College of Engineering, University of Wisconsin-Madison, Madison, WI;3. School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI;4. Department of Radiology, University of Wisconsin Hospitals and Clinics, Madison, WI;1. Department of Orthopedic Surgery, Dongsan Medical Center, School of Medicine, Keimyung University, Daegu, Republic of Korea;2. Department of Biochemistry, School of Medicine, Keimyung University, Daegu, Republic of Korea;3. Department of Pathology, Dongsan Medical Center, School of Medicine, Keimyung University, Daegu, Republic of Korea;4. Department of Rehabilitation Medicine, Dongsan Medical Center, School of Medicine, Keimyung University, Daegu, Republic of Korea;1. Department of Physiotherapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran;2. Department of Epidemiology, School of Allied Medical Sciences, School of Public Health and Safety, Shahid Beheshti University of Medical Sciences, Tehran, Iran;3. Pediatric Neurorehabilitation Research Center, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran;1. Faculty of Physical Therapy and Rehabilitation, Hacettepe University, Ankara, Turkey;2. Orthopedics and Traumatology Department, Faculty of Medicine, Hacettepe University, Ankara, Turkey;1. Student Research Committee, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran;2. Physiotherapy Research Center, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran;3. Clinic of Orthopedic Surgery, Moayeri Hospital, Tehran, Iran;4. Proteomics Research Center, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran |
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| Abstract: | BackgroundFrozen shoulder (FS) is one of the most common shoulder conditions characterized by pain, restricted range of motion and high morbidity. Though FS is known as adhesive capsulitis, presence of capsular adhesions has been rebutted and the nomenclature adhesive capsulitis is debated. It has been proposed that FS is a condition of cytokine driven capsular, ligamentous fibrosis and contracture. Despite extensive research on it, still it is unclear that how far the capsular contracture contribute to range of motion restriction in FS. Evidence also suggested that myofascial trigger points play a role in restricted range of motion.ObjectiveTo find an association between subscapularis trigger point and frozen shoulder.Study designCross-sectional study.Method143 Patients were screened for inclusion and exclusion criteria, out of which 100 patients, were selected for the study. Manual palpation was performed to look for subscapularis muscle trigger points via axillary approach on both the affected and unaffected side. Trigger point diagnosing criteria was used to diagnose subscapularis trigger points.ResultsResults have shown that there was an association between subscapularis trigger point and frozen shoulder (X 2 = 32.151 P < 0.0001) on the affected side. We used Phi coefficient to measure the degree of association which denotes (Phi = 0.567 P < 0.0001) strong association between frozen shoulder and subscapularis trigger point on the affected side compared to unaffected side (X 2 9.157; P < 0.002: Phi:0.303: P < 0.002).ConclusionThis study concluded that there appears to be a strong association between subscapularis trigger point and frozen shoulder. |
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