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Exploring and regression analysis of forces applied on Gastrocnemius muscle of drivers during clutching of MF 285 and MF 399 tractors: Ergonomic design approach
University of Mashhad.
Department of Agricultural Machinery Engineering, Ferdowsi University of Mashhad.
Department of Medical, Mashhad University of medical sciences.
Department of Agricultural Machinery Engineering, Ferdowsi University of Mashhad.
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2013 (Persian)Conference paper, Presentation (Refereed)
Abstract [en]

In this research the imposed force on Gastrocnemius muscle of the tractor driver during clutching has been studied. The number of sample people was assigned 30 and the research was conducted on MF285 and MF399 tractors. The clutching forces for these tractors were measured as 340 N and 290 N, respectively. The angle of knee location in these two tractors at 5 percent level was significantly different. The average decrease of pain threshold after 30 seconds and 60 seconds clutching and 60 seconds rest after clutching in MF285 tractor in Gastrocnemius muscle were more than MF399 tractor. The impact of BMI index Regression coefficient was found the highest among at all intervals during and after the clutching on both tractor drivers on decrease of pain threshold. It is suggested that in order to decrease the imposed force of clutching for MF285 tractor required modifications is performed. In this regard the force transfer joint between pedal and the disc in the mechanism of clutching can be made of cast iron.Keywords: ergonomic, tractor, operator, muscle, Gastrocnemius

Place, publisher, year, edition, pages
Research subject
Human Work Science
URN: urn:nbn:se:ltu:diva-39019Local ID: d994ec50-e34b-4050-a81d-8144564b1227OAI: diva2:1012527
National Conference on sustainable development of agriculture and the Healthy Environment : 12/09/2013
Godkänd; 2013; 20160804 (fahe)Available from: 2016-10-03 Created: 2016-10-03Bibliographically approved

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Helali, Faramarz
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