Avaliação ergonômica da colheita florestal em área com madeira danificada pelo vento

Abstract

This study aimed to perform the ergonomic analysis of the work of six wood harvesting activities in a wind-damaged area. For each of the activities, the biomechanical evaluation, through the application of the Threedimensional Static Strength Prediction Program (3DSSPPTM), developed by the University of Michigan, in addition to the environmental factors heat, vibration and noise were carried out in order to determine the ergonomic risks to which the workers were exposed during the development of the forest harvest. Biomechanical evaluation indicated that for manual extraction and loading activities the load values were above the recommended limit, with a high risk of developing spinal and joint injuries. The thermal conditions of the work environment presented a risk to workers, especially in the afternoon and in all activities. Noise was the environmental factor that presented a greater ergonomic risk to workers in the clearing and trapping activities, followed by vibration. It is concluded that the harvesting of wood in a damaged area by the wind poses a high ergonomic risk to the workers during the execution of their activities, which, together with adverse environmental conditions, provides high and imminent risks of developing work-related musculoskeletal disorders and diseases.