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Topographic map of pressure sensitivity in patients with shoulder impingement syndrome

Grant number: 13/13088-3
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): October 01, 2013
Effective date (End): September 30, 2014
Field of knowledge:Health Sciences - Physiotherapy and Occupational Therapy
Principal Investigator:Tania de Fatima Salvini
Grantee:Paula Ravena de Menezes Pinto
Host Institution: Centro de Ciências Biológicas e da Saúde (CCBS). Universidade Federal de São Carlos (UFSCAR). São Carlos , SP, Brazil


The shoulder impingement syndrome (SI) is characterized by compression of the rotator cuff against the coracoacromial ligament and the anterior third of the acromion, resulting in loss of function and disability. The painful symptoms of impingement syndrome have been studied by means of questionnaires and numerical scale that analyze the intensity, location and modification of functional activity. Recent studies have proposed topographic maps sensory exploration as a method to assess the state of awareness in different pain syndromes. However, no similar studies in relation to SI shoulder. Objective: To develop and characterize a topographic map of pain sensitivity to pressure on the shoulder in patients with SI. Materials and methods: 25 patients will be assessed SI shoulder of both sexes, aged between 18 and 55 years and 25 healthy subjects with age and sex matched group SI. The preparation of topographical map to the shoulder of subjects with SI will be performed using anatomical reference points 4. A digital pressure algometer be used to measure the pain threshold to pressure for a total of 33 points. The visual analog scale (VAS) questionnaires and Disabilities of the Arm, Shoulder and Hand - (DASH) and Western Ontario Rotator Cuff Index (WORC) will also be used for assessment of pain and function. Expected results and clinical implications of the study: Mapping of pain in individuals with SI shoulder will allow a detailed view of soreness in the shoulder, favoring subsequent studies to assess effects of therapeutic interventions, as well as studies on central and peripheral sensitization related to SI shoulder. (AU)

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