1.
1.Choose the chair that is suitable for you
2.Stick a colourful label on your computer screen that the content are saying something encourage you that can make you feel comfortable.
3.The screen of the computer should point at you merely that you can watch the screen comfortably.
4.Your eye should see outside the green object while you have watch the screen for a long time .
5.Sit properly
2.1.doing yoga: 2.2. Push-Ups 3.Shoulder Press