Disease from working in the wrong posture for a long time, such as sitting behind a bend humpback, you'll bend your back pain, or inadvertently because of page views, a long computer screen.
Disease from sitting in the wrong position for a long time to sit back bent like a hunchback, you'll be back pain, head or unconsciously. You have to look at a computer screen for a long time.
The disease from sitting posture for a long time, such as working in the wrong seat after bending humpback. You will be อาการปวดหลัง or to face unconsciously. Because I have to look away from the screen for so long.