When choosing to set up
your workplace ergonomically there is are key factors to pay attention to.
Most often affected
areas of the body for the office workers are:
ü Eyes
ü Neck
ü Lower
Back
ü Wrists
Thus, it is important
to choose a correct height of the table, chair, monitor and the position of the
wrist.
As you see in the
pictures below the optimal angle of the hip and knee joints while sitting by
the desk is 90-110 degrees. This way the circulation is kept normal and the
joint are not overloaded. It is important to keep the lumbar lordosis (natural
lower back curve) and avoid unnecessary pressure to the disk. Thus, I highly
recommend choosing a chair with the lumbar support. There is such a variety of
the product in the market to be chosen. The best is to try them and see which
one feel right for you.
The elbow is best kept
in the 80-120 degrees angle with the underarms. Some chairs come with the
underarms and some do not. There is also a variety of arm support products that
can be attached to the desk.
You may also try sitting on the ball on the ball chair. Hover, I would recommend doing so no longer than 2 hours at the beginning. It takes a body a while to adjust to the new posture and so the deep muscles are working more while you keep your balance on the ball. Then prolong the sitting time one more hour a day every week. Sitting on the ball, it’s like sitting on the compressed air, and it takes the load of the spine as well as it engages the deep spinal stabilizers responsible for proper posture.
I will talk more about
the wrist injuries and how to avoid them in my other posts. For now, you can
see the picture below with the correct position of the wrist while working at
the desk. Generally speaking the more neutral position, the better your wrist
will feel. I would also rotate the mouse from the right to the left to let your
dominating hand rest.
And finally, the
screen. The screen should be 20 degrees below your eye level to avoid the neck
muscle tension. The distance between your eyes and the screen should be about
18-24 inches (35-60 cm). There are lots and lots of discussions about the
screen savers to reduce the radiation to the eyes. Since it is a very broad
topic, which also covers the usage of other electronic devices, I will touch
it, later on, the separate post. And it is going to be very interesting!
And now, enjoy your day
where ever you are and stay safe and healthy!
Let me know if you have
any questions or concerns.
Recourses:
1.https://yourdecision.oten.tafensw.edu.au/pluginfile.php/342/mod_page/content/94/Access-to-Work-and-Training-Unit-Sample/p344.htm
2.https://computers101hart.wikispaces.com/Ergonomics
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