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Usefulness of the Rapid Office Strain Assessment (ROSA) tool in detecting differences before and after an ergonomics
Fernanda Cabegi de Barros1, Cristiane Shinohara Moriguchi1, Thaís Cristina Chaves1
1Physical Therapy Department, Laboratory of Preventive Physical Therapy and Ergonomics (LAFIPE), Federal University of São Carlos, Rodovia Washington Luís, km 235, Monjolinho, São Carlos, São Paulo, 13565-905, Brazil.
Background:
Most ergonomics studies on office workstations evaluate the effects of an intervention only by subjective measures such as musculoskeletal pain and discomfort. Limited evidence has been provided regarding risk factor reduction in office environments through standardized methods assessments. The Rapid Office Strain Assessment (ROSA) tool can provide an estimation of risk factor exposure for office workers as a means by which the outcome of interventions can be quantified.
Purpose:
The aim of the study was to evaluate if ROSA scores reflect changes in risk factors after an ergonomics intervention among office workers.
Methods:
Office workers (n = 60) were divided into two groups. The experimental group received a workstation intervention and the control group received no intervention. Changes in ROSA scores were compared before and after the intervention in both groups.
Results:
Statistically significant reductions in the ROSA final and section scores occurred after the intervention in the experimental group with (mean reduction of 2.9, 0.8 and 1.6 points for sections A, B and C, respectively). In contrast, no differences were detected in the control group (mean increase of 0.1 point for sections A and C and mean reduction of 0.1 point for Section B).
Conclusions:
These findings show that ROSA scores reflect changes in risk factors after an ergonomics intervention in an office environment. Consequently, this tool can be used for identifying and controlling risk factors among computer workers, before and after interventions.
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