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Correlation between the isokinetic muscle strength of the shoulder with pain, functionality and work ability in a sample of workers

Grant number: 18/24154-0
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): November 01, 2019
Effective date (End): October 31, 2021
Field of knowledge:Health Sciences - Physiotherapy and Occupational Therapy
Principal Investigator:Marisa de Cássia Registro Fonseca
Grantee:Ester Rodrigues do Carmo Lopes
Home Institution: Faculdade de Medicina de Ribeirão Preto (FMRP). Universidade de São Paulo (USP). Ribeirão Preto , SP, Brazil

Abstract

Work-related musculoskeletal disorders (DORT) present a high prevalence, wherein the shoulder is the joint more affected in the upper limb. When the upper extremity is affected by dysfunctions, the individual’s functional performance in the tasks of daily living, work and leisure can be negatively impacted. DORT prevention programs should be considered, based on a specific musculoskeletal assessment, through self-report questionnaires and objective measures of muscle strength. Objective: To analyze the association between isokinetic muscular strength, pain, functionality and ability of the individual to work in a sample of workers from a university hospital with complaints of pain or discomfort in the shoulder in the last 12 months. To compare the isokinetic muscular strength values of the symptomatic and asymptomatic shoulder. Methods: Pain and discomfort information will be collected through the Numerical Pain Scale and the Nordic Musculoskeletal Questionnaire, the functionality and ability to work through Quick DASH-Br and the Ability Index for Work. The muscular strength will be measured with the isokinetic dynamometer in the concentric mode through the mean of the peak of torque and total work during the movement of abduction and adduction of the shoulder in the plane of the scapula at the constant angular velocity of 60º/second. The data will be analyzed using the Spearman Correlation Coefficient, p d 0.05, through the SPSS software. (AU)