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Final Reports and Study Results Brochure
2009
Measuring posture for epidemiology: Comparing inclinometry, observations, and self-reports. Teschke K, Johnson P, Trask C, Chow Y, Village J, Koehoorn M. Ergonomics 2009;52:1067-1078 (link to PubMed abstract)
Development and evaluation of an observational Back-Exposure Sampling Tool (Back-EST) for work-related back injury risk factors.J. Village C. Trask, N. Luong, Y. Chow, P. Johnson, M. Koehoorn, K. Teschke. Applied Ergonomics 2009;40:538-544 (link to PubMed abstract)
A comparison of trunk posture movements: A motion capture system and a new data-logging inclinometer. Van Driel R, Teschke K, Callaghan JP, Trask C, Koehoorn M, Johnson PW. IEA 2009, 17th World Congress on Ergonomics, Beijing, China, August 2009
A comparison of trunk posture measurements: A motion capture system and a new data-logging inclinometer. Van Driel R, Teschke K, Callaghan JP, Trask C, Koehoorn M, Johnson PW. X2009: Sixth International Conference on Innovations in Exposure Assessment. Boston, USA, August 2009
2008
Balancing Efficiencies & Tradeoffs: Evaluating EMG Exposure Assessment for Low Back Injury Risk Factors in Heavy Industry. Trask C. PhD Thesis in Occupational and Environmental Hygiene, University of British Columbia. (download pdf)
Optimizing sampling strategies: Components of low-back EMG variability in five heavy industries. Trask C, Koehoorn M, Morrison J, Teschke K. EPICOH, San Jose, Costa Rica, June 2008
Back pain and disability reporting by workers in heavy industry: implications for case-control studies. Trask, C., Teschke, K., Koehoorn, M. (2008) Association of Canadian Ergonomists 39th Annual Conference. October 5-8 Alymer, Canada. (download pdf)
Mean, Peak, and Cumulative Spinal Compression Estimates in Five Heavy Industries. Trask, C., Teschke, K., Koehoorn, M. (2008) Association of Canadian Ergonomists 39th Annual Conference. October 5-8 Alymer, Canada. Finalist: Best PhD Student Paper Award. (download pdf)
How long is long enough? Evaluating sampling durations for low back EMG assessment. C. Trask, K. Teschke, J. Morrison, P. Johnson, J. Village, M. Koehoorn. Journal of Occupational and Environmental Hygiene 2008, 5(10):664-70 (link to PubMed abstract)
Back-EST: University of British Columbia Back Study Observation Instrument. Village, C. Trask, N. Luong, Y. Chow, P. Johnson, M. Koehoorn, K. Hong, K.Teschke. May 2008. (download pdf)
2007
Can observations and interviews be used to assess 90th percentile and cumulative back muscle loads in heavy industry? Trask C, Teschke K, Chow Y, Village J, Koehoorn M. 38th Annual Conference of the Association of Canadian Ergonomists, Toronto, October 2007 (download pdf)
A comparison between electromyography (EMG) and inclinometer predicted spinal compression. Van Driel R, Trask C, Chow Y, Village J, Johnson P, Koehoorn M, Teschke K. 38th Annual Conference of the Association of Canadian Ergonomists, Toronto, October 2007 (download pdf)
Back disorder trajectories among a cohort of heavy industry workers in British Columbia. Koehoorn M, Xu F, Village J, Trask C, Teschke K. EPICOH 2007, Banff, October 2007. (download pdf)
Measuring posture for epidemiology: Comparing inclinometry, observations, and self-reports. Teschke K, Johnson P, Trask C, Chow Y, Village J, Koehoorn M. EPICOH 2007, Banff, October 2007. (download pdf)
Measuring low back injury risk factors in challenging work environments: an evaluation of cost and feasibility. Trask C, Teschke K, Village J, Chow Y, Johnson P, Luong N, Koehoorn M. American Journal of Industrial Medicine 2007;50(9):687-96. (download pdf)
Evaluating the efficiency of exposure assessment methods: cost, feasibility, and overcoming challenges in the field. Trask, C., Koehoorn, M., Village, J., Johnson, P., Chow, Y. and Teschke, K. PREMUS 2007 Conference. Boston, USA (download pdf)
Modeling the determinants of low back EMG exposure in construction, forestry, transportation, warehousing, and wood product industries. Trask, C., Koehoorn, M., Chow, Y., Village, J., Johnson, P. and Teschke, K. PREMUS 2007 Conference. Boston, USA. WINNER: Best Student Paper Award (download pdf)
Longitudinal exposure assessments of low back posture in five heavy industries in British Columbia. Johnson P, Ploger J, Trask C, Village J, Chow Y, Koehoorn M, Teschke K. PREMUS2007 Conference. Boston, USA
University of British Columbia Back Study Interview Instrument. Teschke K, Koehoorn M, Village J, Trask C, Hong K, Luong N. August 2007. (download pdf)
Assessment of a continuous portable ambulatory posture measurement device. Johnson PW, Ploger J, Trask C, Teschke K, Koehoorn M, Townsend C. Journal of Electromyography and Kinesiology 2007; in press
2006
How long is long enough? Physical exposure
estimates and sampling duration. Catherine Trask, Mieke Koehoorn, Jim
Morrison, Judy Village, Kay Teschke. (2006) Association
of Canadian Ergonomists 37th Annual Conference, Banff, Canada. (download
pdf)
Whole body vibration measurements in the British Columbia forestry and
transportation industries. Judy Village, Jim Morrison, Kay Teschke, Mieke
Koehoorn, Yat Chow, Catherine Trask. (2006) Association of Canadian Ergonomists
37th Annual Conference, Banff, Canada. (download
pdf)
Modeling determinants of working exposures and exposure variability.
Catherine Trask, Mieke Koehoorn, Judy Village, Peter Johnson, Kay Teschke.
IEA2006, 16th World Conference on Ergonomics. Maastricht, the Netherlands.
(Abstract: download pdf and
Presentation: download pdf)
Evaluating full-shift low back EMG and posture measurement for epidemiological
studies. Catherine Trask, Mieke Koehoorn, Judy Village, Jim Morrison,
Kay Teschke, Peter Johnson. IEA2006, 16th World Conference on Ergonomics.
Maastricht, the Netherlands. (Abstract: download
pdf and Presentation: download pdf)
Direct recruitment of workers and worksites in heavy industry for occupational
field studies. Catherine Trask, James Cooper, Kay Teschke, Nancy Luong,
Koehoorn M. (2006) Canadian Association for Research in Work and
Health. St John’s, Newfoundland. (Poster: download
pdf)
2005
Development and testing
of an observation tool for occupational ergonomic exposure assessment in heavy
industry. Catherine Trask, Nancy Luong, Mieke Koehoorn. (2005) Canadian
Association of Research on Work and Health Conference, Vancouver, BC, Canada.
(Presentation: download pdf)
Comparing EMG calibration methods for occupational field studies.
Catherine Trask, Jim Morrison, Judy Village. (2005) Association of Canadian
Ergonomists Annual Conference, Halifax, NS, Canada (Presentation: download
pdf)
2004
Literature review – Active and passive
vehicle seat suspension systems. Tim Luu, Desheng Li, Murray Hodgson.
(2004) (download
pdf)
1999
Whole body vibration and back disorders among motor vehicle drivers and heavy equipment operators – A review of the scientific evidence. Kay Teschke, Anne-Marie Nicol, Hugh Davies, Sunny Ju. (1999) Report to the Appeals Commissioner, Workers' Compensation Board of BC. (download pdf) [Note: This report was not a result of this study, but served as inspiration for it.]
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Back Fact
Only a few people with back pain actually have a "slipped disc" or "pinched nerve".
More than 90% of lower back pain cases have no identifiable biological
cause
(such as infection, osteoporosis, arthritis).