Pressure points can build up under the thighs
and behind the knees if your chair is not adjusted properly.
Nerves and blood vessels are pinched and this can result in
pins and needles in the lower legs or swelling in the feet and
ankles.
Set your seat height so that your wristsand arms are
in the correct position, with no angle through the
wrist while typing.
If you can feel pressure at the front of the seat
cushion you need a footrest.
Experiment with a box or phone books to determine
the best height. Most footrests tilt so that they
suit a number of heights.
If you cannot sit fully back in the seat (i.e. the back
of your knees hit the front of the cushion), you need to
adjust the backrest assembly by sliding it forwards (if
possible), or to get a chair
that is not so deep. This is a serious comfort problem so
do not put up with it.
