Estudio de prevalencia de trastornos musculo esqueléticos y su relación con la carga física en trabajadores de una Empresa de distribución y venta de alimentos cárnicos de la ciudad de Cuenca periodo 2017

Abstract

The main objective of this research is to determine the prevalence of musculoskeletal disorders and their relationship between the physical load in a meat distribution and sale company in the City of Cuenca. The population is composed of 56 workers who were applied the Nordic Musculoskeletal Disorders Questionnaire. For the evaluation of the physical load were used the methods REBA to evaluate the postural load, INSHT to evaluate the manual handling of loads and OCRA for the evaluation of repetitive movements. In the 76.78% of the population present discomfort at the dorso-lumbar level, and 48.2% in neck. In relation to the presence of postural load risk, the 50% of the workers present an average risk, followed by 41.1% of workers with a low risk and 8.9% identifies with a high risk. About correlational analyzes, workers with medium and high REBA index were 10 times more prone to report dorsal-lumbar discomfort (95% CI 1.68 to 65.2, p = 0.012). Women reported neck discomfort more frequently (OR: 5.06, 95% CI 1.08-23.6, P = 0.039). Plant workers were 60% less prone to have dorsal-lumbar pain compared to administrative employees (OR: 0.04, 95% CI: 0.03-0.70, P = 0.028)