Chapter 4
Using your computer
Proper posture when using your Desktop PC
When using your Desktop PC, maintaining the proper posture is necessary to prevent strain to your wrists, hands, and other joints or muscles. This section provides you with tips on avoiding physical discomfort and possible injury while using and fully enjoying your Desktop PC.
Eye level to the top of the monitor screen
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To maintain the proper posture:
•Position your computer chair to make sure that your elbows are at or slightly above the keyboard to get a comfortable typing position.
•Adjust the height of your chair to make sure that your knees are slightly higher than your hips to relax the backs of your thighs. If necessary, use a footrest to raise the level of your knees.
•Adjust the back of your chair so that the base of your spine is firmly supported and angled slightly backward.
•Sit upright with your knees, elbows and hips at an approximately 90º angle when you are at the PC.
•Place the monitor directly in front of you, and turn the top of the monitor screen even with your eye level so that your eyes look slightly downward.
•Keep the mouse close to the keyboard, and if necessary, use a wrist rest for support to reduce the pressure on your wrists while typing.
•Use your Desktop PC in a
•Take regular
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