A longitudinal study assessed the differential impact of standard and adjustable ergonomic keyboards on musculoskeletal symptoms among 71 computer users over a six month period. A total of 73 subjects participated: 34 subjects used a standard, flat keyboard and 37 used an adjustable, ergonomic keyboard. Subjects completed weekly surveys of perceived keyboard comfort, and body discomfort, along with other items. The ergonomic keyboard was rated favorably and for users there were significantly improvements neck, shoulder and arm comfort.
Get full access to this article
View all access options for this article.
References
1.
MarklinR. W.SimoneauGGMonroeJ. F. (1999). Wrist and forearm posture from typing on split and vertically inclined computer keyboards. Human Factors, 41, 559–569.
2.
StevensJ. C.WittJ. C.SmithB. E.WeaverA. L. (2001). The frequency of carpal tunnel syndrome in computer users at a medical facility. Neurology, 56, 1568–1570.
3.
TittiranondaP.RempelD.ArmstrongT.BurasteroS. (1999). Workplace use of an adjustable keyboard: Adjustment preferences and effect on wrist posture. American Industrial Hygiene Association Journal, 60, 340–348.
