Dose-response relationship between work-related cumulative postural exposure and low back pain: a systematic review

The Annals of Occupational Hygiene
Daniel Cury RibeiroStephan Milosavljevic

Abstract

To assess the evidence for a dose-response relationship between ROM, duration, and frequency of trunk flexion, and risk of occupational LBP. An electronic systematic search was conducted using Medline, Cumulative Index to Nursing and Allied Health Literature, EMBASE, and Scopus databases focusing on cohort and case-control studies. Studies were included if they focused on non-specific LBP and postural exposure, considering ROM, duration, or frequency of trunk flexion as independent variables. No language restriction was imposed. Included studies were assessed for risk of bias using the Newcastle-Ottawa Scale for observational studies and a summary of evidence is presented. Eight studies were included and all were methodologically rated as high quality. The included studies yielded a total of 7023 subjects who were considered for risk analysis. Different outcome measures for postural exposure were adopted making meta-analysis difficult to perform. We could not find a clear dose-response relationship for work posture exposures and LBP. Limited evidence was found for ROM and duration of sustained flexed posture as risk factor for LBP. We found no evidence for frequency of trunk flexion as a risk factor for LBP.

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Citations

Apr 5, 2013·Ergonomics·Daniel Cury RibeiroStephan Milosavljevic
Aug 8, 2014·The Journal of Orthopaedic and Sports Physical Therapy·Daniel Cury RibeiroStephan Milosavljevic
Aug 16, 2014·The Journal of Manual & Manipulative Therapy·J Haxby Abbott, Emma-Marie Kingan
Jul 16, 2016·The Annals of Occupational Hygiene·Jens WahlströmMikael Forsman
Jul 9, 2020·International Journal of Environmental Research and Public Health·Christofer Schröder, Albert Nienhaus

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