• Michelle M Robertson, Vincent M Ciriello, and Angela M Garabet.
• Liberty Mutual Research Institute for Safety, 71 Frankland Road, Hopkinton, MA 01748, USA. michelle.robertson@libertymutual.com
• Appl Ergon. 2013 Jan 1; 44 (1): 73-85.

AbstractWork Related Musculoskeletal Disorders (WMSDs) among office workers with intensive computer use is widespread and the prevalence of symptoms is growing. This randomized controlled trial investigated the effects of an office ergonomics training combined with a sit-stand workstation on musculoskeletal and visual discomfort, behaviors and performance. Participants performed a lab-based customer service job for 8 h per day, over 15 days and were assigned to: Ergonomics Trained (n = 11) or Minimally Trained (n = 11). The training consisted of: a 1.5-h interactive instruction, a sit/stand practice period, and ergonomic reminders. Ergonomics Trained participants experienced minimal musculoskeletal and visual discomfort across the 15 days, varied their postures, with significantly higher performance compared to the Minimally Trained group who had a significantly higher number of symptoms, suggesting that training plays a critical role. The ability to mitigate symptoms, change behaviors and enhance performance through training combined with a sit-stand workstation has implications for preventing discomforts in office workers.Copyright © 2012 Elsevier Ltd and The Ergonomics Society. All rights reserved.

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