Over, E.A.B.

computer subject study activity muscle duration exposure contrast pedometer finition mouse computer work value pause software computer use non-computer relationship effect episode keyboard nctopt computer work duration intervention ergonomics function level registration software health fference figure signi pedometer scenario non-computer work di fferences variability erasmus university group scenario work duration registration increase muscle activity threshold trapeziu richter journal event result pedometer use computer users computer events mathiassen life years netherland table difference keyboard use cost-effectiveness classi fied job function pedometer intervention ffice workers erasmu university ficant electromyography musculoskeletal analysis dutch researcher cost effectiveness classi mouse use practice scenario downloaded job functions ffice work group-based nctopt di fference