Abstract:
:In 2011, load limits for manual lifting were adopted in Iran to protect workers from low back injury without prior testing of accuracy with Iranian workers. This investigation examined how accurate the adopted ACGIH TLVs at the allowable limits predict risk for LBP disorders for a group of Iranian workers using biomechanical criteria. Testing took place in the laboratory with participants completing a series of 2-handed lifting tasks as defined in the Iranian Guideline for Manual Lifting. To test accuracy, both compression and shear forces were estimated for fifteen male Iranian workers who completed 25 lift combinations that varied in height and reach with the maximal allowable load. The findings, when compared to a risk threshold of 3400 N compression and 700 N shear, showed above-threshold forces for compression and little-to-no safety margins with repetitive lifting for most lifts at torso height and below. Since Government, employers and workers use these guidelines to decide on work/workplace design; these guidelines require further review and revision based on the anthropometrics of Iranian people.
journal_name
Ind Healthjournal_title
Industrial healthauthors
Afshari D,Latifi SM,Kord S,Nourollahi-Darabad Mdoi
10.2486/indhealth.2017-0174subject
Has Abstractpub_date
2018-07-27 00:00:00pages
327-335issue
4eissn
0019-8366issn
1880-8026journal_volume
56pub_type
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