Document Type: Original Articles
Research Center for Health
Sciences, Shiraz University of Medical
Sciences, Shiraz, Iran;
Department of Ergonomics, School of
Health and Nutrition, Shiraz University of
Medical Sciences, Shiraz, Iran;
Head of Health Department, Nouri
Petrochemical Complex, Asaloyeh, Iran;
Head of HSE Department, Nouri
Petrochemical Complex, Asaloyeh, Iran
Background/Objective: Musculoskeletal disorders (MSDs) are one of the most common causes of occupational injuries. This study was conducted with the objectives of determination of prevalence rate of MSDs and ergonomics assessment of the risk of MSDs among workers of a petrochemical company. Methods: In this study, 261randomly selected workers in a petrochemical company with at least one year of job tenure participated. Office and operational personnel were studied separately. In office jobs, data were collected using Nordic musculoskeletal disorders questionnaire (NMQ) and ergonomics checklist for assessment of work conditions. In operational jobs, NMQ and QEC (Quick Exposure Check) methods were applied to gather the required data. Data analysis was performed using SPSS software. Results: The most prevalent MSDs symptoms were reported in the lower back (36.2%), upper back (31%), neck (31%) and knees (30.3%). The results showed that the prevalence of MSDs indifferent body regions of the office staff was higher than those of operational workers. Also, in 40.9% of the observed cases, total ergonomics index was in action category 1 (inappropriate working conditions) and 59.9% of the subjects taken in action category 2 (appropriate working conditions). The results of assessment by QEC technique among operational workers showed that in 82.8% of the workers studied, the level of exposure to musculoskeletal risks was high or very high. Conclusions: The prevalence of musculoskeletal disorders in the office staff was higher than that of operational subjects. To improve the working conditions, taking risk factors of the lower back, upper back, neck and knees into consideration seems to be essential.
- Bongers PM, Ijmker S, van den Heuvel S,
- Blatter BM. Epidemiology of work related
- neck and upper limb problems: psychosocial
- and personal risk factors (part I) and
- effective interventions from a bio behavioral
- perspective (part II). Journal of Occupational
- Rehabilitation 2006;16:279â302.
- Genaidy AM, Al-Shedi AA, Shell RL.
- Ergonomics risk assessment: preliminary
- guidelines for analysis of repetition force
- and posture. Journal of Human Ergology
- Kemmlert K: Labor inspectorate investigation
- for the prevention of occupational musculoskeletal
- injuries [licentiate thesis]. Solna,
- Sweden, National Institute of Occupational
- Health, 1994.
- Shahnavaz H. Workplace injuries in the
- developing countries. Ergonomics 1987;30:
- Jafry T, OâNeill DH. The application of
- ergonomics in rural development: a review.
- ApplErgon 2000;31:263-8. http://www.ncbi.
- Bernard BP, editor. Musculoskeletal disorders
- and workplace factors (NIOSH Publication
- No. 97-141). Cincinnati, OH, USA: National
- Institute for Occupational Safety and Health
- (NIOSH); 1997. Retrieved June 19, 2009,
- from: http://www.cdc.gov/niosh/docs/97-141
- Linton SJ, Kamwendo K. Risk factors in the
- psychosocial work environment for neck and
- shoulder pain in secretaries. J Occup Med
- Weiser S. Psychosocial aspects of
- occupational musculoskeletal disorders. In:
- Nordin M, Andersson GBJ, Pope MH, editors:
- Musculoskeletal disorders in the workplace:
- principles and practice. St. Louis, MO, USA:
- Mosby-Year Book; 1997. p. 51â61.
- Howard N, Spielholz P, Bao S, Silverstein
- B, Fan ZJ. Reliability of an observational
- tool to assess the organization of work. Int J
- IndErgon 2009;39:260â6.
- Larsman P, Hanse JJ. The impact of decision
- latitude, psychological load and social support
- at work on the development of neck, shoulder
- and low back symptoms among female human
- service organization workers. Int J IndErgon
- Choobineh AR, Lahmi MA, Shahnavaz H,
- KhaniJazani R, Hosseini M. Musculoskeletal
- symptoms as related to ergonomic factors
- in Iranian hand-woven carpet industry and
- general guidelines for workstation design. Int
- J Occup Safety and Ergon 2004;10(2):157-68.
- Choobineh AR, Movahed M, Tabatabaie
- SHR, Kumashiro M. Perceived demands and
- musculoskeletal disorders in operating room
- nurses of Shiraz city hospitals. Ind Health
- Choobineh AR, Peyvandi Sani GR, Sharif
- Rohani M, Gangi Pour M, Neghab M.
- Perceived demands and musculoskeletal
- symptoms among employees of an Iranian
- petrochemical industry. Int J IndErgon
- Kuorinka I, Jonsson B, Kilbom A, Vinterberg
- H, Biering-Sorensen F, Andersson G, et
- al. Standardized Nordic Questionnaires for
- the analysis of musculoskeletal symptoms.
- ApplErgon 1987;18:233-7.
- Choobineh AR, Rahimifard H, Jahangiri M,
- Mahmoodkhani S. Musculoskeletal Injuries
- and Their Associated Risk Factors in Office
- Workers. Iran Occupational Health 2012; 8(4):
- -81. [Persian].
- Metz, C.E.: The receiver operating
- characteristic curve. Seminar in nuclear
- medicine 1978; 8: 283-98.
- Buckle P and Li G. A practical approach
- musculoskeletal risk assessment in the real
- workplace. In: Seppace Lae P, Luopagae
- Rvi T, Nygaerd C and Mattila M, eds. From
- experience to innovation. Proceedings of the
- th triennial Congress of the International
- Ergonomics Association, Vol. 4, June 29 - July
- , 1997; Tampere, Finland (Helsinki: Finish
- Institute of Occupational Health), 138-40.
- Li G, Buckle P. The development of practical
- tool for musculoskeletal risk assessment.
- In: Robertson SA, editor: Contemporary
- Ergonomics. London; Taylor & Francis;1997.
- P. 442-7.
- National Research Center of Medical Sciences
- Choobineh AR, Daneshmandi H, Asadi Sh, Ahmadi Sh
- J Health Sci Surveillance Sys July 2013; Vol 1; No 1
- of Iran. National health survey of Iran: overall
- country. Tehran, Iran: Health Ministry of I.R.
- Iran, Research Chancellor, 2001.
- Choobineh AR, Soleimani E, Mohammad
- Beigi A. The frequency of symptoms of
- skeletal disorders-muscle in steel structures
- industry workers. Journal of Epidemiology
- ; 5(3): 35-43. [Persian].
- Sauter SL, Schleifer LM, Knutson SJ.
- Work posture, workstation design, and
- musculoskeletal discomfort in a VDT data
- entry task. Hum Factors 1991; 33(2):151-67.
- Lin RT, Chan CC. Effectiveness of workstation
- design on reducing musculoskeletal risk
- factors and symptoms among semiconductor
- fabrication room workers. International
- Journal of Industrial Ergonomics 2007; 37:
- Evans O, Patterson K. Predictors of neck and
- shoulder pain in non-secretarial computer
- users. International Journal of Industrial
- Ergonomics 2000; 26: 357-65.
- Choobineh A, Tabatabaei H, Mokhtarzadeh A,
- Salehi M. Musculoskeletal problems among
- workers of an Iranian rubber factory. J Occup
- Health 2007; 26: 418-23.