The more hours per week a mouse and keyboard are used, the greater the risk of hand/wrist and elbow pain say the findings of a Danish study involving 6,943 engineering technical assistants and machine technicians. A near linear relationship was found between time and symptoms starting at 0 hours per week which casts doubt on the existence of a threshold effect
This article originally appeared in The Ergonomics Report™ on 2004-12-14.