Volume 6, Issue 3 ( Iranian Journal of Ergonomics 2018)                   Iran J Ergon 2018, 6(3): 11-20 | Back to browse issues page

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Marzban A, Hayati A. Ergonomic Evaluation of Traditional Date Fruit Harvesting. Iran J Ergon. 2018; 6 (3) :11-20
URL: http://journal.iehfs.ir/article-1-575-en.html
Faculty Member, Department of Agricultural Machinery and Mechanization Engineering, Faculty of Agricultural Sciences and Natural Resources, University of Khuzestan, Mollasani, Iran , afshinmarzban@hotmail.com
Abstract:   (4551 Views)
Background and Objectives: Fruit harvesting operation, one of the most important operations related to date palm production, is performed manually. Manual date palm harvest suffers from frequent occupational risk factors due to excessive need of physical work resulting in work related illness and productivity reduction.
Methods: Present study was undertaken with recruiting twenty three harvest workers to evaluate and compare upper-trunk (consisting of work tasks: climbing, cutting the bunch, and descending) and bottom-trunk operations regarding physiological (heart rate and heart rate ratio) and physical (body pain) strains to identify onerous critical operations to address with simple and inexpensive interventions by future attempts.
Results: Upper trunk operation posed a more physiological strain as heart rate (29.4%) and heart rate ratio (177.8%) higher than bottom trunk operation. Body pain was self-reported by the upper trunk workers in low back and sole, and by lower trunk workers in low back.
Conclusion: The upper trunk operation was the onerous critical operation in manual date palm harvest, and climbing was the most critical work task in upper trunk operation. Climbing causes the highest physiological strain because workers moved in converse of gravity force, whereas descending led to lowest one because of moving in the similar direction with gravity.

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Type of Study: Research | Subject: Special
Received: 2018/09/15 | Accepted: 2018/11/20 | ePublished: 2018/12/25

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