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Ciencia & trabajo

On-line version ISSN 0718-2449


MARQUEZ GOMEZ, Mervyn  and  MARQUEZ ROBLEDO, Miguel. Biomechanical and psychosocial risk factors in the Venezuelan meat processing industry. Cienc Trab. [online]. 2015, vol.17, n.54, pp.171-176. ISSN 0718-2449.

Introduction: the identification and assessment of risk factors related to Musculoskeletal Disorders (MSD) is the basis for an effective adaptation of working conditions. Objective: the aim is to evaluate the main biomechanical and psychosocial risk factors in workers of a meat processing industry. Method: the study is descriptive, transversal, based on direct observation, surveys and analysis of videos, for the application of the methodologies RULA, OCRA, NIOSH's equation, ERGO and CoPsoQ-ISTAS21, about 71 tasks. Results: the greater postural risk is in task of inlay and packaging, which reach RULA's scores of 7. In terms of repeatability, the packaging of products cooked stand out with 60% of its tasks at moderate level. The greatest risks by lifting were located in the inlay areas, with unacceptable rates between 25% and 50% of its tasks. Five of the six areas showed unacceptable levels of risk in push and drag. The psychosocial factors: insecurity, double presence, esteem and psychological demands were perceived negatively by more than 50% of the workers. Discussion: the main causes of the high levels of risk include: lifting of products above shoulders, manual activities of pre-packaging and the manual pushing of heavy containers. Conclusions: the meat industry has biomechanical and psychosocial risk levels that make it vulnerable to MSD.

Keywords : Risk factors; Evaluation; Meat industry; Human engineering; Occupational health.

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