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10
Note
Take regular breaks from the work at your screen to
prevent tenseness and exhaustion.
Sitting in one position for long periods can be uncomfortable. To
minimize the potential for physical discomfort or injury, it’s impor-
tant that you maintain proper posture.
Overall:
Change your position frequently and take regular breaks to avoid
fatigue.
Back:
While sitting at your work surface, make sure your back is sup-
ported by the chair’s backrest in erect position or angled slightly
backwards.
Legs:
Your thighs should be horizontal or angled slightly downward.
Your lower legs should be near a right angle to your thighs. Your
feet should rest flat on the floor. If necessary, use a footrest, but
double check that you have your seat height adjusted correctly
before getting a footrest.
Arms:
Your arms should be relaxed and loose, elbows close to your
sides, with forearms and hands approximately parallel to the
floor.
Wrists:
Your wrists should be as straight as possible while using the key-
board, mouse or trackball. They should not be bent sideways, or
more than 10 degrees up or down.
Head:
Your head should be upright or tilted slightly forward. Avoid work-
ing with your head or trunk twisted.
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