1. Look at engineering design
The two most important points of a good ergonomic chair are fitting
and support. If these two points are done well, there will be no
problem with comfort and health. Of course, it really needs the
actual feeling to get the best results.
(1) The back of the chair
The curve provided by the back of the chair largely determines the
fit between the seat and the human body. The design of the curve of
the back of the chair should conform to the curve of the human
spine as much as possible. Only in this way can the human spine
maintain a healthy S-curve and reduce the pressure of the spine. At
present, there are two main types of chair back design: integrated
design and separated design. Remember the following two principles:
In the integrated design of the waist and back, the bulge of the
waist should not be too big, or the back will hang in the air, and
the sitting is not fun, nor can it be peaceful, or the person can
not feel the support:
When the lower back is separated, the upper back and lower back
should be a perfect S-shaped curve, rather than a sudden
discontinuous curve at the lower back (too steep or flat is not
good).
The upper back can be adjusted up and down, this is for different
sizes of people, not often adjusted part. The chair back pitch is
the main part. There are four stages of pitch adjustment, which are
straight - tilt about 15 degrees -30 degrees -45 degrees like this.
There is one important point that the manual does not say, that is,
after relaxing the lever, the Angle of elevation will not
automatically spring up, but you have to press it to spring up. At
the same time, you can set the elastic strength of the back of the
chair, so that when the lever is not limited, you can press the
back of the chair freely. Actually, I prefer the stepless
adjustment of the Angle of elevation, because the Angle of
elevation of people's work is not only personalized, but also
different states have different requirements. This is the most
frequently adjusted and adaptable part of the chair. At present,
the normal work is 15 degrees, or quite comfortable. But this Angle
is a little too wide, and it also feels like the neck is a little
too far back, so the headrest needs to be a little bit more
forward. So I. I bought a neck pillow to replace it sometimes. I
think if the elevation Angle is controlled at 8-10 degrees, it will
be more comfortable, or fine tuning is allowed. It is a pity that
the Angle of the headrest cannot be adjusted.
Another way to do this is to not limit the Angle of elevation, and
use the rebound force to control the Angle, but it seems to get a
little tiring for a long time. The other two angles are very
comfortable, no problem
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