1. Posture, comfort, and monitor placement;Ankrum;Ergonomics in Design,1995
2. Musculoskeletal disorders among visual display terminal workers;Bergquist;Ergonomics,1995
3. Neck and Arm Pain;Cailliet,1991
4. Localized muscle fatigue;Chaffin;Journal of Occupational Medicine,1973
5. The effect of age on cervical posture in a normal population;Dalton,1994