One major principle in ergonomics is that vision drives posture. This means that the eye level you are working at will affect the way you interface with your workstation and the position you will be assuming in your chair.
Flat panel monitors are transforming the landscape of both home and corporate offices, but their greatest advantage is that they can be easily mounted to an adjustable arm and therefore you can control the angle and depth that you interface with your screen. Ultimately this means you will then control the seating posture that will impact on your health the most.
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