Preferred VDT workstation settings, body posture and physical impairments

The effect of upper extremity support on upper extremity posture and muscle activity during keyboard use

“…Risk factors associated with computer use include physical ergonomic factors such as desk, chair and screen heights and working postures, (Grandjean et al, 1984;Aaras et al, 1997) and the use of input devices such as the computer mouse (Cook et al, 2000;Burgess-Limerick et al, 1999). Organisational factors such as long working hours, the duration of computer use per day, psychosocial factors such as stress (Smith and Carayon, 1996) and visual factors (Aaras et al, 1998;Aaras et al, 2001) have also been associated with musculoskeletal disorders amongst computer users.…”

The impact of computer display height and desk design on 3D posture during information technology work by young adults

“…For example, recent figures showed that 66% of Australian adults and 55% of European Union adults used a computer (Australian Bureau of Statistics, 2000b;Demunter, 2005). Computer use is growing rapidly, for example in the USA 18% of adults used a computer in 1984compared with 36% in 1993and 64% in 2003(Cheeseman-Day et al, 2005. Computers are being used for work tasks but also for activities of daily living including social communication and entertainment.…”

The musculoskeletal system complaints of office workers at a vehicle production factory

“…The study by Marcus, Gerr, and Monteılh (2002) demonstrated back pain and neck and upper extremity discomfort to be the most frequent symptoms among MSCs. The study by Grandjean, Hunting, and Nishiyama (1984) on 261 male and 117 female office workers analyzed sitting-related health complaints and found back and low back pain symptoms in 57% of the workers. Demure and colleagues (2000) found low back pain to be associated with awkward posture and working for 7 or more hours.…”