Hedge, A. and Ray, E.J. (2004) Effects of an electronic height-adjustable worksurface on self-assessed
musculoskeletal discomfort and productivity among computer workers, Proceedings of the Human Factors and
Ergonomics Society 48th Annual Meeting, New Orleans, Sept. 20-24, HFES, Santa Monica, 1091-1095.
Effects of an Electric Height-Adjustable
Worksurface on Computer Worker
Musculoskeletal Discomfort and
Productivity
Alan Hedge
Cornell University, Dept. Design & Environmental Analysis,
Ithaca, NY 14853, USA
and
Earnest J. Ray
Site Ergonomist, Intel Corporation, Santa Clara, CA 95052, USA
Hedge, A. and Ray, E.J. (2004) Effects of an electronic height-adjustable worksurface on self-assessed
musculoskeletal discomfort and productivity among computer workers, Proceedings of the Human Factors and
Ergonomics Society 48th Annual Meeting, New Orleans, Sept. 20-24, HFES, Santa Monica, 1091-1095.
Acknowledgements
• LINAK (especially Ann Hall) for funding support.
• WorkRite (especially Steve Owles) for the worksurfaces and
installation in the test facilities.
• Lodina Slawecki, Lynn Olson, Debbie Padilla and Anne Merrill
(Intel)
• Ben Atkinson (CNA Insurance)
• Participants
Hedge, A. and Ray, E.J. (2004) Effects of an electronic height-adjustable worksurface on self-assessed
musculoskeletal discomfort and productivity among computer workers, Proceedings of the Human Factors and
Ergonomics Society 48th Annual Meeting, New Orleans, Sept. 20-24, HFES, Santa Monica, 1091-1095.
Sit-Stand Workstations
• Benefits:
– Varied work
posture
– Reduced upper
body discomfort
– Reduced foot
swelling
Hedge, A. and Ray, E.J. (2004) Effects of an electronic height-adjustable worksurface on self-assessed
musculoskeletal discomfort and productivity among computer workers, Proceedings of the Human Factors and
Ergonomics Society 48th Annual Meeting, New Orleans, Sept. 20-24, HFES, Santa Monica, 1091-1095.
Sit-Stand Workstations:
Above-desk Keyboard Trays
• Height and angle adjustable keyboard tray allows
the user to sit or s