ESTIMATION OF FORCES EXERTED ON THE LOWER BACK IN MANUAL LOAD LIFTING USING 3DSSPP SOFTWARE

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ASADI NAEIMEH; CHOOBINEH ALIREZA; KESHAVARZI SAREH; DANESHMANDI HADI

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Journal: Iranian Journal of Ergonomics Year:2015 | Volume:2 | Issue:4 Page(s): 25-31

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Title

ESTIMATION OF FORCES EXERTED ON THE LOWER BACK IN MANUAL LOAD LIFTING USING 3DSSPP SOFTWARE

Author(s)

ASADI NAEIMEH | CHOOBINEH ALIREZA | KESHAVARZI SAREH | DANESHMANDI HADI | Issue Writer Certificate

Keywords

3DSSPP SOFTWAREQ2

MANUAL LOAD LIFTINGQ2

LOW BACK PAINQ2

Abstract

Introduction: MANUAL LOAD LIFTING is the most common and most stressful activity in manual handling of loads that imposes the highest possible amount of biomechanical pressure on the body, particularly on the spine. The present study was conducted to determine the prevalence of musculoskeletal disorders and to estimate the mechanical force exerted on the lower back in workers responsible for MANUAL LOAD LIFTING.Material and Methods: The present cross-sectional study was conducted on 120 workers responsible for MANUAL LOAD LIFTING activities in 7 industrial settings in the city of Shiraz. The Nordic Musculoskeletal Questionnaire (NMQ) was used for determining the prevalence of musculoskeletal disorders and the 3DSSPP SOFTWARE was used to estimate the forces exerted on the lower back during load lifting. Data were then analyzed in SPSS-19.Findings: The results showed that lower back problems constitute the most prevalent musculoskeletal disorder (68.3%). Evaluations conducted in 3DSSPP showed that in 17.5% of the cases, compressive forces, and in 10.8% of the cases, shearing forces exerted on the L5-S1 disc were higher in the workers than the permissible levels. There were no significant differences between the rate of the prevalence of lower back pain at different levels of compressive and shearing forces exerted on the disc (p>0.05).Results: This finding might indicate the limitations of the method used in this study for conducting a comprehensive assessment of loads exerted on the spine.Conclusion: The prevalence of musculoskeletal disorders, in particular lower back pain, was estimated to be high among the subjects studied. The risk levels of compressive and shearing forces exceeded the permissible amount in a low percentage of the workers studied. The 3DSSPP SOFTWARE might have certain limitations in the assessment of the pressure exerted on the spine.

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APA: Copy

ASADI, NAEIMEH, CHOOBINEH, ALIREZA, KESHAVARZI, SAREH, & DANESHMANDI, HADI. (2015). ESTIMATION OF FORCES EXERTED ON THE LOWER BACK IN MANUAL LOAD LIFTING USING 3DSSPP SOFTWARE. JOURNAL OF ERGONOMICS, 2(4), 25-31. SID. https://sid.ir/paper/103333/en

Vancouver: Copy

ASADI NAEIMEH, CHOOBINEH ALIREZA, KESHAVARZI SAREH, DANESHMANDI HADI. ESTIMATION OF FORCES EXERTED ON THE LOWER BACK IN MANUAL LOAD LIFTING USING 3DSSPP SOFTWARE. JOURNAL OF ERGONOMICS[Internet]. 2015;2(4):25-31. Available from: https://sid.ir/paper/103333/en

IEEE: Copy

NAEIMEH ASADI, ALIREZA CHOOBINEH, SAREH KESHAVARZI, and HADI DANESHMANDI, “ESTIMATION OF FORCES EXERTED ON THE LOWER BACK IN MANUAL LOAD LIFTING USING 3DSSPP SOFTWARE,” JOURNAL OF ERGONOMICS, vol. 2, no. 4, pp. 25–31, 2015, [Online]. Available: https://sid.ir/paper/103333/en

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