publication . Article . 2015

Comparison of Applied Forces on Selective Joints and Muscles of Drivers During Clutching of MF285 and MF399 Tractors

H Fallahi; M. H Abbaspour-Fard; A Azhari; M Khojastehpour; A Nikkhah;
Open Access Persian
  • Published: 01 Mar 2015 Journal: Journal of Agricultural Machinery (issn: 2228-6829, eissn: 2423-3943, Copyright policy)
  • Publisher: Ferdowsi University of Mashhad
Abstract
In this research, the imposed forces on three muscles including: Gastrocnemius muscle, Trapezius muscle and Quadratus lumborum of the tractor drivers during clutching have been studied. The sample included 30 persons and the research was conducted on two domestic tractors including: MF285 and MF399 models. The clutching forces for these tractors were measured as 340 N and 290 N, respectively. The difference between drivers’ knee angle of the two tractors was proved significant at the one percent level. The decrease of pain threshold after 30 seconds and 60 seconds clutching and 60 seconds rest after clutching in MF285 tractor in all three muscles were more than ...
Subjects
free text keywords: Algometer, Ergonomic, Muscle, Operator, Tractor, Agriculture (General), S1-972, Engineering (General). Civil engineering (General), TA1-2040
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