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Comfort and Safety Checklist
7
your leftor right arm.If youare using botha mouse andkeyboard, place
them both at the same work surface height andclose together. If a palm
rest is used, the height should be flush with the front edge of the
keyboard. Other items, such as your telephone or notepad, should also
be considered.
Caution Various aspects of using mice, keyboards and other input devices may increase your risk of
discomfort or injury. Optimize your comfort and safety by positioning these devices properly.
Your Work Posture
Sitting in one position for long periods can be uncomfortable. To minimize
the potential risk for physical discomfort or injury, it’s important that you
maintain a proper posture.
• Head -When viewing yourmonitor, your headshould not betilted more
than 15 degrees forward, and do not turn your head toward either side.
•
Back - While sitting at your work surface, make sure your back is
supported by the chair's backrest in an erect position or angled slightly
backwards.
• Arms - Make sure your arms and elbows are relaxed and loose, with
your upperarms perpendiculartothe flooror tilteddownward notmore
than 15 degrees. Keep your forearms and hands approximately parallel
with the floor with elbowsbent between 70 and 115degrees. Keep your
elbows close to your sides (less than 20 degrees away from your body).
•
Hands, Wrists, Forearms -Try tokeep your handswrists and forearms
in a relaxed neutral position when using your mouse keyboard or other
input devices. For example, while using your keyboard and mouse, rest
your forearms (flat) on your desktop.
• Legs - Your thighs should be horizontal or angled slightly downward.
Your lower legs should be near a right angle to your thighs. Make sure
there is sufficient room under the work surface for your legs.
•
Feet -If after adjustingyour chairyou cannot restyour feetcomfortably
on thefloor, usea footrest, preferablyone thatcan beadjusted in height
and angle.
Overall
•
Look away from the screen from time-to-time to help reduce eyestrain.
Focus on distant objects briefly, and blink periodically to lubricate your
eyes. You also should have your eyes checked on a regular basis and
ensure your eyeglass prescriptionis suitable for workingon a computer
monitor.