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COMPUTER.9
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1991-09-23
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text/20/15
out, massage them, anything but
bending, twisting or straining
your wrists or fingers. NOTE:
use your entire hand while
picking things up, not just the
thumb and forefinger. Palms
should be kept up off the
keyboard . Use wrist rests.
Position your tilting keyboard
pan so your elbows are bent at
90 degree angles and your wrists
at 10 to 20 degrees from
horizontal. The middle row of
the keyboard should be at elbow
level. Also, hit the keys as
lightly as possible. It doesn't
take great force to depress a
~
text/329/15
computer key. Situate the
computer screen 15 to 30
degrees below eye level; NEVER
above eye level. Put it 22 to
26 inches from where you
sit. Stay at least four feet
away from the back sides of
other monitors in your
workplace. No one yet knows
just how harmful VDT radiation
is to users' health.
Anti-radiation screens can help
but only block only electric
fields at very low frequency
levels and extremely low
frequency levels. They do not
block magnetic fields, which is
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