Iran Occupational Health Journal
سلامت كار ايران
ioh
Medical Sciences
http://ioh.iums.ac.ir
136
journal136
1735-5133
2228-7493
10.61186/ioh
fa
jalali
1386
6
1
gregorian
2007
9
1
4
3
online
1
fulltext
fa
ارزیابی ریسک ارگونومیکی ناشی از استرس پوسچرال به روش REBA
Ergonomic risk assessment by REBA method
ایمنی فرآیند
Process Safety
پژوهشي
Research
<p align="right">چکیده</p>
<p> <strong>Background and aims</strong> </p><p> Awkward posture has been recognized as one of the important risk factors of work-related musculoskeletal disorders (WMSD). The current study aimed at determining ergonomic risk level, WMSDs ratio and exploring working postures contribution to WMSD. During the study, working postures were phased and then they were scored using the REBAtool from observing the work. </p><p> <strong>Methods</strong> </p><p> To perform the study, workers of a home appliances manufacturing factory were assessed. In order to collecting required data, each part of the body was scored and work frequency, load/force, coupling were considered to achieve a REBA score. Nordic Questionnaire was used to determining WMSD ratio and its relationship whit REBA score. 231 working phases were assessed and 13761 questions using Nordic Questionnaire were answered. Percentage of the workers in press, spot welding, grinding, cutting, assembling, and painting was 15.8, 21.6, 25.9, 34.5, 89.9%, respectively. Workers were 18-54 years old and their work recording average was 52 month. </p><p> <strong>Results</strong> </p><p> <strong></strong>REBAscore was 4-13 in under study tasks. REBA score = 9 had the most frequency (20%) and REBA score =13 had the least frequency (1.4%). Risk level in press, cutting, and painting was high (25.5, 100, 68.2%) cases). This shows that cutting has the highest risk level. On </p><p>the other hand 38.5% of the workers in past 12 month had problem in different parts of their body. Totally 11.7% of the workers had problem in neck, 19.4$ in leg, 10.7% in foot, 82.5% in lower back, 87.6% in upper back and 7.8% in shoulders.10.7% of the workers had previous illness that 8.7% of them were non occupational and 1.9% were caused their previous jobs. The REBAscore mean and ergonomic risk level is not equal in tasks (p-value<0.05) and there is a relationship between age, work recording, REBAscore and risk level .(p-value <0.05, r>0). Action level was necessary soon in others. </p><p> <strong>Conclusion</strong> </p><p> <strong></strong>Risk level should be reduced specially in cutting. The heavy workload and working height poor design, awkward posture such as twisting with bending and sometimes carrying objects, standing/sitting for a long time during working shifts are some of the ergonomic risk factors. </p><p> </p><p> </p><p> </p>
پوسچر، ربا،سطح ریسک ارگونومیکی
Ergonomic risk level, REBA, Posture
35
43
http://ioh.iums.ac.ir/browse.php?a_code=A-10-3-5&slc_lang=fa&sid=1
E.
Habibi
احسان اله
حبیبی
Habibi@hlth.mui.ac.ir
1360031947532846003019
1360031947532846003019
Yes
Isfahan University of Medical Sciences
S.
Poorabdian
سیامک
پورعبدیان
1360031947532846003020
1360031947532846003020
No
P.
Ahmadinejad
پروین
احمدی نژاد
1360031947532846003021
1360031947532846003021
No
Isfahan University of Medical Sciences
A.
Hassanzadeh
اکبر
حسن زاده
1360031947532846003022
1360031947532846003022
No