Peer-reviewed research
A prospective study of computer users: II. Postural risk factors
Marcus M et al., American Journal of Industrial Medicine, 2002
Read the originalRead on October 16, 2026
- What it is
- The companion paper to the 2002 cohort study, examining which postures and keyboard and mouse set-ups went with later symptoms and disorders, and how many hours people keyed each week.
- How much weight it carries
- Peer-reviewed and prospective, from the same 632-person cohort. Associations are observational: they show which factors went with symptoms, not that changing them prevents symptoms.
Facts taken from this source
- In the Part II analysis of the same cohort, the number of hours spent keying each week was associated with hand or arm symptoms and disorders.
“The number of hours keying/week was associated with H/A symptoms and disorders.” (Results)