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Ergonomics & Aging
What is the Optimal Keyboard,
Mouse and Monitor Height?
Measurement A: Sitting Elbow
There are six options for the height of the surface that supports the keyboard and mouse, three for each style of typing. Select the option that matches the keyboard design and your tying style. Using the Sitting Elbow height you measured above (Measurement A), determine the correct keyboard/mouse surface height for yourself as follows:
Measurement C: Monitor Height
The monitor should never be so high that you have to lift your chin to see any part of the screen. Therefore, the top ¼ of the screen should be equal with your straight-ahead vision, unless most of your work is done in the lower ¼ of the screen (then the monitor can be higher) OR if you wear bifocals (then the monitor needs to be lower). Do not place the monitor on the hard drive/docking station if it sets it too high. The monitor should be close enough for you to see your work without holding your head forward.Reading/Writing Surface
Your work surface should be 2" above your sitting elbow. You should be able to sit comfortably under the surface and work at it without elevating your shoulders. If the surface is not adjustable, you will need to raise your chair and use a footrest. Do not lower your chair to the incorrect height if the surface is too low. Instead, raise the surface so you can keep your knees slightly lower than your hips.
To reduce the risk factors leading to eye fatigue, refer to our article on eye care, The Eyes Have It, and follow the recommendations below:
An "ergonomic" product is one that fits the user and is appropriate for the task (i.e., it does not cause discomfort or injury and improves productivity). There are a large variety of quality and cost-effective products available. Please refer to the Products portion of this website for our recommendations.
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