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How to Sit at a Computer

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How to Sit at a Computer

Post by Michi on Thu Mar 31, 2011 12:00 pm

Sitting at a computer for long periods of time can take a toll on your body. By not sitting in the correct position, it is easy to end up with back pain, neck
pain, knee pains, and a tingling of the hands and fingers. This could
easily turn into Carpal Tunnel Syndrome over prolonged usage.
Sometimes, this pain becomes so severe and painful that surgery is the
only option. It is best avoided by good practices.

STEPS

Push your hips as far back as they can go in the chair.
Adjust the seat height so that your feet are flat on the floor and your
knees equal to, or slightly lower than, your hips. Adjust the back of
the chair to a 100°-110° reclined angle. Make sure that your upper and
lower back are supported. If necessary, use inflatable cushions or
small pillows. When your chair has an active back mechanism use it to
make frequent position changes. Adjust the armrests so that your
shoulders are relaxed, and remove them completely if you find that they
are in your way.




Sit close to your keyboard and position it so that it is directly in front of your body. Make sure that the keys are centered with your body.




Adjust the keyboard height so that your shoulders are relaxed, your elbows are in a slightly open position, and your wrists and hands are straight.










Determine the tilt of your keyboard based on your sitting position. Use the keyboard tray mechanism, or keyboard feet, to adjust the tilt.
If you sit in a forward or upright position, try tilting your keyboard away from you, but if you are slightly reclined, then a slight forward tilt will help to maintain a straight wrist position.









Use wrist rests to help maintain neutral postures and pad hard surfaces.
The wrist rest should only be used to rest the palms of the hands
between keystrokes and not while typing. Place the pointer as close as
possible to the keyboard. Placing it on a slightly inclined surface, or
using it on a mouse bridge placed over the 10-keypad, can help to bring
it closer. position.


Know that incorrect positioning of the screen and source documents can result in awkward postures. Adjust the monitor and source documents so that your neck is in a neutral, relaxed position. Center the monitor directly in front of you, above your keyboard.Position
the top of the monitor approximately 2-3” above your seated eye level.
If you wear bifocals, lower the monitor to a comfortable reading level.










Sit at least an arm's length away from the screen and adjust the distance for your vision.
Reduce any glare by carefully positioning the screen, which you should
be looking almost straight at, but partially looking down. Adjust any
curtains or blinds as needed. Adjust the vertical screen angle and
screen controls to minimize glare from overhead lights.










Position the source documents directly in front of you, and use an in-line copy stand.If there is insufficient space then place the documents on a document
holder positioned adjacent to the monitor. Place your telephone within
easy reach. Use headsets and a speaker phone to eliminate cradling the
handset.
Do yourself a favor and take small breaks during your workday to release some of that muscle tension.Exercise your hand by pushing on top of your fingers, and using backword resistance movements. Do a minimum of fifteen reps for each hand at least six time every day.
This simple exercise will prevent you from developing carpal tunnel
finger problems in the future. Even if you don’t have any problems
right now, you may prevent pain later in life by doing a few good
exercises.



Source:
WikiHow

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Re: How to Sit at a Computer

Post by shaka on Thu Mar 31, 2011 12:24 pm

ahh google translate dulu mean

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