Tips For Long Hours On computer!!!  

I found in a website tat if u follow the following steps u can avoid all forms of aches n prob cos of long hours of work n mylot'in
1. use a good chair with a dynamic chair back and sit back in this
2. top of monitor casing 2-3" (5-8 cm) above eye level
3. no glare on screen, use an optical glass anti-glare filter where needed
4. sit at arms length from monitor
5. feet on floor or stable footrest
6. use a document holder, preferably in-line with the computer screen
7. wrists flat and straight in relation to forearms to use keyboard/mouse/input device
8. arms and elbows relaxed close to body
9. center monitor and keyboard in front of you
10. use a negative tilt keyboard tray with an upper mouse platform or downward tiltable platform adjacent to keyboard
11. use a stable work surface and stable (no bounce) keyboard tray
12. take frequent short breaks (microbreaks)