geekhack Community > Ergonomics

Need posture help please

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wolverine92:
I have really debated getting a kneeling chair. Anyone had success with them and which brand?

Sent from my Pixel 5 using Tapatalk

jacobolus:
One thing worth noting: the most comfortable from a neck and eyestrain perspective is to put the top edge of your display roughly at eye level, or at most slightly above (how low you can put the display obviously depends on desk/display size, but try to get the bottom edge of a large display down to table level if possible). People often put the center of their display at eye level, but this encourages tipping the head back and slouching, and makes it harder for the eyes to focus and converge when looking at the upper part of the display.

Push your display as far away from your face as practical/comfortable for your furniture and activities (1 meter? 1.5 meters?), move it relatively low in your field of vision, and tilt it away at the top / toward you at the bottom, so that the plane of the display is aimed toward your face – not vertically plumb. Look at the lower part of the display by turning your eyes, but not tipping your head down. (Human eyes have evolved to focus and converge closer when the eyes swivel to point down a bit, presumably because looking downward in the wild more often involves looking at stuff up close, e.g. held in the hands, compared to looking straight ahead.) A typical person has no trouble keeping their head straight while looking moderately downward, but tilting the head down will cause neck strain.

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