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:: Volume 12, Issue 2 (7-2010) ::
J Gorgan Univ Med Sci 2010, 12(2): 26-32 Back to browse issues page
A comparative study on isometric muscles strength of shoulder complex between persons with and without impingement syndrome
Nodehi Moghadam A (PhD, PT) * 1, Rouhbakhsh Z (MSc, PT) , Ebrahimi E (PhD, PT) , Salavati M (PhD, PT) , Jafari D (MD)
Abstract:   (21248 Views)
Background and Objective: Several studies have demonstrated the importance of a coordinated, synchronized action of a scapular and glenohumeral muscles. Minimal alteration in performance and coordination of these muscles have the potential to lead to joint dysfunction. The impingement syndrome is the most common diagnosis of shoulder pain. The purpose of this study was to determine whether strength deficits could be detected in patients with shoulder impingement. Materials and Methods: This case – control study was done on 15 patients with impingement syndrome and 15 healthy matched persons by nonprobability sampling in Tehran, Iran during 2008. Strength of glenohumeral and scapulothoracic muscles was tested with a hand held dynamometer. Independent and paired t-test were used to statistically analyze between and within groups differences. Results: Compared to non impaired subjects, those with impingement syndrome demonstrated a significantly lower strength of shoulder muscles (P<0.05). The strength deficit between involved and noninvolved sides of patients was determined (P<0.05). In impingement syndrome patients, the external-to-internal rotator muscles strength ratio was significantly lower than on the control group (P<0.05). Conclusion: The result of this study suggest that strength deficit of shoulder muscles may be an important aspect of the impingement syndrome. Muscular strength assessment should be considered in evaluation and effective treatment of a patient. Physical therapy treatment should be emphasize strengthening of weak muscles.
Keywords: Impingement syndrome, Shoulder muscle weakness, Shoulder muscle imbalance
Full-Text [PDF 559 kb] [English Abstract]   (19218 Downloads) |   |   Abstract (HTML)  (711 Views)  
Type of Study: Original Articles | Subject: Rehabilitation
* Corresponding Author Address: Assistant Professor, Department of Physical Therapy, University of Social Welfare and Rehabilitation Sciences, Tehran, Iran. afsoonnodehi@yahoo.com


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Nodehi Moghadam A (PhD, PT), Rouhbakhsh Z (MSc, PT), Ebrahimi E (PhD, PT), Salavati M (PhD, PT), Jafari D (MD). A comparative study on isometric muscles strength of shoulder complex between persons with and without impingement syndrome. J Gorgan Univ Med Sci 2010; 12 (2) :26-32
URL: http://goums.ac.ir/journal/article-1-729-en.html


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Volume 12, Issue 2 (7-2010) Back to browse issues page
مجله دانشگاه علوم پزشکی گرگان Journal of Gorgan University of Medical Sciences
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