1. Yes, my cousin has problems with his right wrist continually. He plays tennis.
2. I sit correctly when I use my computer the first hour only, then I forget it.
3. * Put to the correct high the chair.
* The chair must be comfortable.
* You must buy a special object for resting your wrist when you write.
* It's necessary that you have a good lighting in the room.
* You must relax your eyes once every hour minimum.
4. Yes, I think that they are appropiates.
5. Really, I haven't got time for exercises.
Answers:
Normally, when I finish my work I stretch my arms and do exercise with my wrists. But I have more problems with my back and neck, as soon as I try to walk every day during one our or go to swim. But one time a month I go to the physical therapist.
In addition I try not to approach very much the screen.silv.
I think that this answer is good for me, perhaps I must copy this attitude. (Elena)