2. Sit in a chair, keep your upper body straight, while your toes are on the ground and your eyes are straight. The arms naturally hang down on both sides of the chair, and the hands are placed on the edge of the chair. Push your head back hard, push your chest up as hard as possible, then take your head back to rest, and then lower your head for a few seconds to recover. This action can enhance the blood circulation of the head, keep the brain awake and relieve cervical fatigue.
Sit down in the chair, keep your upper body straight, put your hands on the edge of the chair, stand up straight, bend your knees, lift your legs, and try your best to keep balance. After a few seconds, lower your legs and keep your eyes level. After having a rest, stand up from the chair, put your hands on your forehead and continue to lean forward. After a few seconds, straighten your arms up, raise your head, look up with your eyes, tighten your abdomen, take a deep breath, and rotate your body left and right at the same time, then restore. This action can exercise the strength of hands and arms, and also relax the whole body, effectively alleviating the fatigue of sitting in front of the computer.