Abstract

During the last years, as a result of the technological development, farmers started to include a new solution like machinery or other devices but the risk level connected with accidents resulting from their use is still high. Agriculture is described as one of the most dangerous industry in Poland. Based on these circumstances the studies were conducted where the main objective was to investigate a workload during agricultural manual and mechanized tasks. The analysis was conducted on 15 farmers on their own farms during the morning and evening milking in the tethering and carousel systems while lifting and carrying a full bucket or a sack and while the tractor was moving. The analysis of muscle load was conducted with the surface EMG (Electromyography) system and Job Strain Index method. The highest values of muscle tension and force were observed in the forearm muscles during the attachment of teat cups to the udder. It was connected with lifting the equipment in an uncomfortable posture assumed by the milker. For the tractor driver the ergonomics of the seat and steering wheel was measured. It has been demonstrated that unfavourable working conditions increase the musculoskeletal overload. One of the methods of preventing them is to create appropriate working conditions for a specific person and gender. This will allow each worker to properly adjust the work and to apply specific matching equipment.

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