Improper sitting posture can cause "computer neck". Adjusting the height of desks and chairs can prevent it

People who use computers or work at a desk for a long time often experience neck and shoulder pain. In severe cases, they may also experience symptoms such as numbness and pain in the arms, dizziness, and headache. Correct posture is very important for people who use computers for a long time. It can avoid excessive tension in the neck and shoulder muscles, reduce muscle strain, and help prevent and alleviate symptoms such as neck pain. He gave several suggestions:

1. Improve the height of office tables and chairs

Computer desks and chairs can be adjusted in height; it is best if the chair has a supportive back and armrests. The height of the display screen should be appropriate, with both eyes looking level above the computer screen and maintaining an appropriate distance from the screen.

2. Pay attention to your working posture

When operating a computer, do not bend your neck excessively or overstrain it. Turn your head less and turn it around more. Hunch your back less and raise your head more. Keep your spine straight. Maintain three 90 degrees when sitting: the upper body should keep the neck upright, shoulders naturally hanging, upper arms close to the body, elbows bent 90 degrees to operate the keyboard or mouse; the lower body's waist can lean against the chair back, keep straight, with the waist and thighs at 90 degrees; the knees are naturally bent 90 degrees, and the feet are flat on the ground or on a small bench. Do not cross your legs to avoid affecting blood circulation.

3. The keyboard and mouse should be in the appropriate position

When using a computer, place the keyboard and mouse directly in front of your body and close to your body. When operating the keyboard or mouse, try to keep your wrist horizontal and the midline of your palm and forearm in a straight line.