Source avec lien : Journal of Occupational and Environmental Medicine, (En ligne). 10.1097/JOM.0000000000002646
L’objectif de cette étude était d’estimer les associations entre les expositions biomécaniques et les troubles musculo-squelettiques du cou et de l’épaule (TMSN) sur le lieu de travail dans une cohorte prospective.
Objective To estimate associations between biomechanical exposures and workplace neck and shoulder musculoskeletal disorders (NSMSDs) in a prospective cohort. Methods Manufacturing workers (N = 349) were followed for 28 months. Biomechanical exposures were collected on each individual and physical exams were performed every 4 months. Prevalent cases at baseline (N = 30) were excluded from the analysis. Results There were 18 incident cases of NSMSDs. Greater than 33% time in forceful hand exertion doubled the rate of incident NSMSDs. Greater than 18° of shoulder abduction, during forceful hand exertion, increased the rate by 55%. Confidence intervals were wide. Conclusions Effect estimates of the relationship between forceful hand exertions and NSMSDs were consistently elevated whether measured in isolation or while in shoulder abduction. Following a larger cohort with more frequent physical examinations would improve estimates of the model.