Abstract Summary
Low back pain (LBP) is the most common, and disabling musculoskeletal disorder worldwide, with posture being a modifiable risk factor for LBP. The aim of the study was to assess the effectiveness of a lumbopelvic postural feedback device for changing postural behaviour in a group of healthcare workers. This was a participant-blinded, randomized controlled trial, with blocked cluster random allocation. Healthcare workers (n=130) took part in the study. A device monitored and recorded lumbo-pelvic forward bending posture, and provided audio-feedback whenever the user sustained a forward bending posture that exceeded pre-defined thresholds. Participants were randomly assigned to one of two intervention arms: a feedback group and a no-feedback group. We compared between-group differences in postural behaviour by using a repeated measures mixed-effect model. Our findings suggested no differences in changes in postural behaviour between the two groups (0.25, 95% CI: -1.94 to 2.45).
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