A Randomized Controlled Trial of a Truck Seat Intervention: Part 1-Assessment of Whole Body Vibration Exposures

Annals of Work Exposures and Health
P W JohnsonJeong Ho Kim

Abstract

Full-time vehicle and heavy equipment operators often have a high prevalence of musculoskeletal disorders, especially low back pain (LBP). In occupations requiring vehicles or heavy equipment operation, exposure to whole body vibration (WBV) has been consistently associated with LBP. LBP is the most common cause of work-related disability and continues to be the leading cause of morbidity and lost productivity in the US workforce. Using a parallel randomized controlled trial design, over a 12-month period, this study evaluated two different seating interventions designed to reduce WBV exposures. Forty professional truck drivers were initially recruited and randomly assigned to one of two groups: (i) a passive suspension/control group-20 drivers who received a new, industry-standard air-suspension seat, and (ii) an intervention group-20 drivers who received an active-suspension seat, which has been shown to reduce vertical WBV exposures by up to 50% compared to passive seats. WBV exposures from the truck seat and floor were collected during driver's full shifts (6-18 h) before (pre-intervention) and after the intervention (0, 3, 6, and 12 months post-intervention) per International Standards Organization (ISO) 2631-1 and 2631-5 ...Continue Reading

References

May 7, 1983·British Medical Journal·D G AltmanS J Pocock
Sep 4, 1999·International Archives of Occupational and Environmental Health·M Bovenzi, C T Hulshof
Oct 28, 2008·International Archives of Occupational and Environmental Health·Massimo Bovenzi
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Sep 15, 2014·International Archives of Occupational and Environmental Health·Massimo BovenziMarcella Mauro
Jul 8, 2016·The Annals of Occupational Hygiene·Jeong Ho KimPeter W Johnson

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