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Computer Ergonomics

Computer Ergonomics is about things that you can do to make working on a computer more comfortable and better for your body.

Jackie Losada

on 29 November 2011

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Transcript of Computer Ergonomics

Ergonomics is a science whose main purpose is to design workspaces and tools that help people do their jobs and use their tools and other products comfortably and safely
Computer Workstation Setup
Here you will see practical tips on what to do and how to do it to make your computer workstations adjustable; even when you have no money at all to spend or a very low budget. You will learn how to solve problems you often encounter in a computer workstation.
What to do:
Neck slightly bent. Head almost straight.
How to do it:
A classroom-made document holder keeps the paper the student is typing from at a good distance and height.

What to do:
Eyes level with text on monitor. Elbows level with the keyboard.
How to do it:
Find some type of "booster seat"

To position herself at the right height, this student decided to sit on an old discarded book (for a short time!).

What to do:
Feet supported.
How to do it:
A classroom-made footrest fashioned from a discarded three-ring binder.
The picture shows the posture you should try to use as you are working at a computer workstation. If you practice, you will begin to do it without even thinking about it!
Look at the picture on the left.
See how the student is leaning forward in the chair so that his feet can touch the ground.
He is right that it is important to have his feet supported...
but he is forgetting about his back.

Applied Ergonomics Solutions: To support his lower back this student used a piece of hard foam core as a pillow behind his back. A regular pillow from home could also have been used.
Old telephone books can be used as foot support for shorter students.
To correct it, use a back cushion to better suport your back

Concern: Look at how the student on the left has to reach upwards to use the keyboard. He truly could not get into a good typing posture.

Challenge: You cannot change the height of the table of the keyboard.
Applied Ergonomic Solutions: Several solutions to this challenge are available.
- A higher chair is the best solution, if it is available. - The student on the right used a book to sit on.
- She could also try a pillow from home, which might be more comfortable. She would have to fasten it on the seat with rope or twine to make sure it could not slide off.
But then her feet don't reach the ground! Uh oh! You can see in the picture that she used a three-ring binder as a foot support.
Applied Ergonomic Solution: A chair can be raised with the help of wooden blocks. However, you must make sure that it is perfectly even and stable.
Look at the picture below to see how the student pushes his shoulders up and his elbows out while typing. The keyboard is too high and he is sitting very close to the edge of the desk. In addition, when he uses the mouse he must reach far out to the side, just as the girl is in the picture to the right. Their lower arms rest on the edges of the desks.

Challenge: The chairs are too low and no other desks or chairs are available.

Place your feet flat on the floor in front of you
Check these :
Three-ring binder
Telephone books
Blocks of wood
Always support your lower back
Check these

Foam-core pillow
Soft jacket
Pillow from home
Place something soft under your wrists:

Keyboard Distance

One hand-width between the keyboard and you.
Too close
Good distance
Too far

A towel
A soft jacket
A pot holder
Learning how to adjust the computer workstation and organize all your work material is key to developing good work habits.
Use these to help you...
It's also called: biotechnology,
human engineering, human factors
Do you think he is sitting correctly?
You can use...
Is this correct?
Full transcript