the use of computers, we should pay attention to: do not place the monitor is too uggs ultra classic low, the eye must be maintained at the same horizontal plane; the elbow do not lower than the desktop; keyboard, do not put too far away from the place where hands, elbows and shoulders to keep the level is very important; seat should not be too low, do not oppress the area below the knee; ugg discount the use of computers people not to knees, feet placed under the seat; the best the uggs lo pro button whole foot flat on the ground, these help to avoid from the use of computers cause pain and disease. but the most important thing in a day's work, we must rest as much as possible.