It is a lot of the hours spent at the computer, can harmful affect on health. In spite of the fact that the majority of users rather well know, correctly how to do, they continue to sit on the chair in front of the monitor.

How affects long business hours at the computer if to sit in the wrong pose? 

The negative effect of such pastime can be divided, both on transient, and on the long-term. 

-  It is necessary to carry such symptoms to the transient, as a headache and gripes in eyes, discomfort in a waist and a wrist. 
- To long-term experts refer sight deterioration, constant headaches of tension, "a tunnel syndrome" and a set of other unpleasant surprises.

Rules of work at the computer! ! !

1. It is necessary to pay attention to how there are at you feet and whether chair height is correctly picked up. The correct pose - the feet bent in knees at right angle all foot lean on a floor or a special support.

2. As you hold in operating time at the computer a back. Big mistake is the pose at which when you sit, your shoulders act forward, and the back is bent. The ideal option - to sit, having leaned back on a chair back in front of the computer, or, it is necessary to hold simply a back directly.

3. As you hold hands. Wrist diseases not incidentally are considered as occupational diseases of system administrators, programmers and all those who spends long time at the computer. What to avoid emergence of discomfort in hands, it is necessary to know how it is correct to hold them during the work at the computer (see drawing).

4. There are some rules concerning a monitor arrangement for creation of the most favorable situation for eyes.

It is thus important to know how will correctly put the monitor, and not just as it is correct to sit before it. After all at the wrong position of the screen of the computer concerning a window, on its surface the patches of light causing the increased tension of eyes, especially strongly noticeable if you to have long to sit at the monitor are formed.

-  It is possible to correct a situation having deployed the computer on the 90th hail.  to a window. 
- It is necessary to remember how the monitor has to be removed from eyes that it would be correct. Whether to understand correctly you sit, check to that the distance from the monitor to your eyes is equal. This test will allow to understand how exactly it is necessary to put the computer screen correctly, after all the distance to your eyes has to equal to length of your outstretched arm.