Take care that your knees are not in an angle of 90 degrees, you can do this with a foot

rest.

Take a good chair with back support.

Take a chair with wheels

Relax your shoulders

You need a chair with wheels.

You needs a chair with adjustable height

The screen has be in one line with your face

What is RSI?

RSI is a muscle disease which you can get when you are typing for a very long time. It accurse in your knuckles of your hand. I can have serious affects.

Eyestrain can cause heavy problems with your eyes. 70% suffered some form of eye problem such as eyestrain, irritated eyes or blurred vision.

Reproductive hazards.

VDU’s can cause that you are not reproductive.