suite101.com
Jul 23, 2008
Mice Must Fit Each User’s Needs; Other Devices Work Well Too Mice must be correctly positioned to avoid strain on the computer user's shoulder and arm muscles. For many people, especially less-abled, other devices are preferable. Many people, especially in home offices, place their mice on their desk tops. This causes them to reach to operate them. The shoulder muscles tense to keep the arm extended, and this can cause the chronic pain of a repetitive strain injury. The best position for a mouse for right-handed people is over the pad of number keys to he right of the keyboard, which itself should be lower than the writing surface and at an angle (see Further Reading below). Many keyboard trays are available that have mouse trays that swivel over the number keys. Many also can place the tray on the left, or slide side to...
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