Optimising sampling strategies: Components of low-back EMG variability in five heavy industries

Occupational and Environmental Medicine

Volumn 67, Issue 12, 2010, Pages 853-860

  Trask, Catherine M ^a,b   Teschke, Kay ^a   Morrison, Jim ^c   Johnson, Peter ^d   Koehoorn, Mieke ^a  

^a UNIVERSITY OF BRITISH COLUMBIA   (Canada)

^b UNIVERSITY OF GÄVLE   (Sweden)

^c SIMON FRASER UNIVERSITY   (Canada)

^d UNIVERSITY OF WASHINGTON   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ARTICLE; ELECTROMYOGRAPHY; HUMAN; INJURY; MAJOR CLINICAL STUDY; OCCUPATIONAL EXPOSURE; PRIORITY JOURNAL; WORKER; WORKING TIME;

BACK; BACK INJURIES; ELECTROMYOGRAPHY; HUMANS; METALLURGY; MUSCLE CONTRACTION; OCCUPATIONAL DISEASES; OCCUPATIONAL EXPOSURE; TASK PERFORMANCE AND ANALYSIS;

EID: 78649647048     PISSN: 13510711     EISSN: 14707926     Source Type: Journal    
DOI: 10.1136/oem.2010.055541     Document Type: Article

References (67)

1. Guo HR. Working hours spent on repeated activities and prevalence of back pain. Occup Environ Med 2002;59:680-8.
2. van Tulder M, Koes B, Bombardier C. Low back pain. Best Pract Res Clin Rheumatol 2002;16:761-75.
3. Rubin DI, Shelerud RA, van Tulder M, et al. Epidemiology and risk factors for spine pain Neurol Clin 2007;25:353-71.
4. Shelerud RA. Epidemiology of occupational low back pain. Clin Occup Environ Med 2006;5:501-28.
5. Burdorf A. Exposure assessment of risk factors for disorders of the back in occupational epidemiology. Scand J Work Environ Health 1992;18:1-9.
6. Punnett L, Wegman DH. Work-related musculoskeletal disorders: the epidemiologic evidence and the debate. J Electromyogr Kinesiol 2004;14:13-23. (Pubitemid 38169101)
7. David GC. Ergonomic methods for assessing exposure to risk factors for work-related musculoskeletal disorders. Occup Med (Lond) 2005;55:190-9.
8. Griffith LE, Wells RP, Shannon HS, et al. Developing common metrics of mechanical exposures across aetiological studies of low back pain in working populations for use in meta-analysis. Occup Environ Med 2008;65:467-81.
9. Trask C, Teschke K, Village J, et al. Measuring low back injury risk factors in challenging work environments: an evaluation of cost and feasibility. Am J Ind Med 2007;50:687-96.
10. Seixas NS, Sheppard L. Maximizing accuracy and precision using individual and grouped exposure assessments. Scand J Work Environ Health 1996;22:94-101.
11. Jansen J, Burdorf A. Effects of measurement strategy and statistical analysis on dose-response relations between physical workload and low back pain. Occup Environ Med 2003;60:942-7.
12. Armstrong B. Effect of measurement error on epidemiological studies of environmental and occupational exposures. Occup Environ Med 1998;55:651-6. (Pubitemid 28428961)
13. Burdorf A. Reducing random measurement error in assessing postural load on the back in epidemiologic surveys. Scand J Work Environ Health 1995;21:15-23.
14. Burdorf A, Van Riel M. Design of strategies to assess lumbar posture during work. Int J Ind Ergon 1996;18:239-49.
15. Loomis D, Kromhout H. Exposure variability: concepts and applications in occupational epidemiology. Am J Ind Med 2004;45:113-22.
16. Burdorf A. Identification of determinants of exposure: consequences for measurement and control strategies. Occup Environ Med 2005;62:344-50.
17. Brunkreef B, Noy D, Clausing P. Variability of exposure measurements in environmental epidemiology. Am J Epidemiol 1987;122:892-8.
18. Kromhout H, Heederik D. Occupational epidemiology in the rubber industry: implications of exposure variability. Am J Ind Med 1995;27:171-85.
19. Kromhout H, Loomis DP. The need for exposure grouping strategies in studies of magnetic fields and childhood leukemia. Epidemiology 1997;8:218-19.
20. Richardson DB, Loomis D. The impact of exposure categorisation for grouped analyses of cohort data. Occup Environ Med 2004;61:930-5. (Pubitemid 39389354)
21. Kim HM, Yasui Y, Burstyn I. Attenuation in risk estimates in logistic and Cox proportional-hazards models due to group-based exposure assessment strategy. Ann Occup Hyg 2006;50:623-35.
22. Symanski E, Greeson NM, Chan W. Evaluating measurement error in estimates of worker exposure assessed in parallel by personal and biological monitoring. Am J Ind Med 2007;50:112-21.
23. Teschke K, Spierings J, Marion SA, et al. Reducing attenuation in exposure-response relationships by exposure modeling and grouping: the relationship between wood dust exposure and lung function. Am J Ind Med 2004;46:663-7.
24. Jeebhay MF, Robins TG, Seixas N, et al. Environmental exposure characterization of fish processing workers. Ann Occup Hyg 2005;49:423-37.
25. Mwaiselage J, Bratveit M, Moen B, et al. Variability in dust exposure in a cement factory in Tanzania. Ann Occup Hyg 2005;49:511-19.
26. Vermeulen R, Kromhout H. Historical limitations of determinant based exposure groupings in the rubber manufacturing industry. Occup Environ Med 2005;62:793-9.
27. Mathiassen SE, Burdorf A, van der Beek AJ. Statistical power and measurement allocation in ergonomic intervention studies assessing upper trapezius EMG amplitude. A case study of assembly work. J Electromyogr Kinesiol 2002;12:45-57. (Pubitemid 34133998)
28. Mathiassen SE, Moller T, Forsman M. Variability in mechanical exposure within and between individuals performing a highly constrained industrial work task. Ergonomics 2003;20:800-24.
29. Nordander C, Balogh I, Mathiassen SE, et al. Precision of measurements of physical workload during standardised manual handling. Part I: surface electromyography of m. trapezius, m. infraspinatus and the forearm extensors. J Electromyogr Kinesiol 2004;14:443-54.
30. Jackson JA, Mathiassen SE, Dempsey PG. Methodological variance associated with normalization of occupational upper trapezius EMG using sub-maximal reference contractions. J Electromyogr Kinesiol 2009;19:416-27.
31. de Oliveira CG, Nadal J. Back muscle EMG of helicopter pilots in flight: effects of fatigue, vibration, and posture. Aviat Space Environ Med 2004;75:317-22.
32. Elfving B, Dedering A, Nemeth G. Lumbar muscle fatigue and recovery in patients with long-term low-back trouble-electromyography and health-related factors. Clin Biomech (Bristol, Avon) 2003;18:619-30. (Pubitemid 36918295)
33. Akesson I, Hansson GA, Balogh I, et al. Quantifying work load in neck, shoulders and wrists in female dentists. Int Arch Occup Environ Health 1997;69:461-74.
34. Blangsted AK, Hansen K, Jensen C. Muscle activity during computer-based office work in relation to self-reported job demands and gender. Eur J Appl Physiol 2003;89:352-8.
35. Hansson GA, Nordander C, Asterland P, et al. Sensitivity of trapezius electromyography to differences between work tasks - influence of gap definition and normalisation methods. J Electromyogr Kinesiol 2000;10:103-15.
36. Sporrong H, Sandsjo L, Kadefors R, et al. Assessment of workload and arm position during different work sequences: a study with portable devices on construction workers. Appl Ergon 1999;30:495-503.
37. Capodaglio P, Jensen C, Christensen H. Quantification of muscular activity in the shoulder region during monotonous repetitive work. Med Lav 1996;87:305-13.
38. Jones T, Kumar S. Assessment of physical exposures and comparison of exposure definitions in a repetitive sawmill occupation: trim-saw operator. Work 2007;28:183-96.
39. Jones T, Kumar S. Assessment of physical demands and comparison of multiple exposure definitions in a repetitive sawmill job: board edger operator. Ergonomics 2007;50:676-93.
40. Keir PJ, MacDonell CW. Muscle activity during patient transfers: a preliminary study on the influence of lift assists and experience. Ergonomics 2004;47:296-306.
41. Lavender SA, Conrad KM, Reichelt PA, et al. Designing ergonomic interventions for EMS workers, Part I: transporting patients down the stairs. Appl Ergon 2007;38:71-81.
42. Village J, Frazer M, Cohen M, et al. Electromyography as a measure of peak and cumulative workload in intermediate care and its relationship to musculoskeletal injury: an exploratory ergonomic study. Appl Ergon 2005;36:609-18.
43. Earle-Richardson G, Jenkins P, Fulmer S, et al. An ergonomic intervention to reduce back strain among apple harvest workers in New York State. Appl Ergon 2008;36:327-34. (Pubitemid 40602275)
44. da Costa BR, Vieira ER. Risk factors for work-related musculoskeletal disorders: a systematic review of recent longitudinal studies. Am J Ind Med 2009;14:1-39.
45. Keyserling WM. Workplace risk factors and occupational musculoskeletal disorders, Part 1: A review of biomechanical and psychophysical research on risk factors associated with low-back pain. AIHAJ 2000;61:39-50.
46. Burdorf A, Sorock G. Positive and negative evidence of risk factors for back disorders. Scand J Work Environ Health 1997;23:243-56.
47. Winkel J, Mathiassen SE. Assessment of physical work load in epidemiologic studies: concepts, issues and operational considerations. Ergonomics 1994;37:979-88.
48. Norman R, Wells R, Neumann P, et al. A comparison of peak vs cumulative physical work exposure risk factors for the reporting of low back pain in the automotive industry. Clin Biomech (Bristol, Avon) 1998;13:561-73.
49. Seidler A, Bolm-Audorff U, Heiskel H, et al. The role of cumulative physical work load in lumbar spine disease: risk factors for lumbar osteochondrosis and spondylosis associated with chronic complaints. Occup Environ Med 2001;58:735-46.
50. Kromhout H, Loomis DP, Mihlan GJ, et al. Assessment and grouping of occupational magnetic field exposure in five electric utility companies. Scand J Work Environ Health 1995;21:43-50.
51. Tielemans E, Kupper LL, Kromhout H, et al. Individual-based and group-based occupational exposure assessment: some equations to evaluate different strategies. Ann Occup Hyg 1998;42:115-19.
52. Kuorinka I, Jonsson B, Kilbom A, et al. Standardised Nordic questionnaires for the analysis of musculoskeletal symptoms. Appl Ergon 1987;18:233-7.
53. Symanski E, Sallsten G, Barregard L. Variability in airborne and biological measures of exposure to mercury in the chloralkali industry: implications for epidemiologic studies. Environ Health Perspect 2000;108:569-73. (Pubitemid 30453781)
54. Kromhout H, Symanski E, Rappaport SM. A comprehensive evaluation of within- and between-worker components of occupational exposure to chemical agents. Ann Occup Hyg 1993;37:253-70.
55. van der Beek AJ, Kuiper JI, Dawson M, et al. Sources of variance in exposure to nonneutral trunk postures in varying work situations. Scand J Work Environ Health 1995;21:215-22.
56. Hansson GA, Arvidsson I, Ohlsson K, et al. Precision of measurements of physical workload during standardised manual handling. Part II: Inclinometry of head, upper back, neck and upper arms. J Electromyogr Kinesiol 2006;16:125-36.
57. Mathiassen SE, Burdorf A, van der Beek AJ, et al. Efficient one-day sampling of mechanical job exposure dataea study based on upper trapezius activity in cleaners and office workers. AIHAJ 2003;64:196-211.
58. Trask CM, Teschke K, Morrison J, et al. How long is long enough? Evaluating sampling durations for low back EMG assessment. J Occup Environ Hyg 2008;5:664-70.
59. Symanski E, Maberti S, Chan W. A meta-analytic approach for characterizing the within-worker and between-worker sources of variation in occupational exposure. Ann Occup Hyg 2006;50:343-57.
60. Kromhout H, Loomis DP, Kleckner RC, et al. Sensitivity of the relation between cumulative magnetic field exposure and brain cancer mortality to choice of monitoring data grouping scheme. Epidemiology 1997;8:442-5.
61. Mathiassen SE. Diversity and variation in biomechanical exposure: what is it, and why would we like to know? Appl Ergon 2006;37:419-27.
62. Kumar S, Mital A. Electromyography in ergonomics. Boca Raton, USA: CRC Press, 1996.
63. Chaffin DB, Andersson GBJ, Martin JM. Occupational biomechanics. 4th edn. Boca Raton, USA: CRC Press, 2006.
64. NIOSH. Selected Topics in Surface Electromyography for Use in the Occupational Setting: Expert Perspective: DHHS (NIOSH)1992 March, 1992. Report No.: Publication No. 91-100.
65. Callaghan JP, Gunning JL, McGill SM. The relationship between lumbar spine load and muscle activity during extensor exercises. Phys Ther 1998;78:8-18.
66. Kingma I, van Dieen JH. Lifting over an obstacle: effects of one-handed lifting and hand support on trunk kinematics and low back loading. J Biomech 2004;37:249-55.
67. Roy AL, Keller TS, Colloca CJ. Posture-dependent trunk extensor EMG activity during maximum isometrics exertions in normal male and female subjects. J Electromyogr Kinesiol 2003;13:469-76.