Sitting for a long time, especially operating a computer for a long time, will feel very tired. At this time to take a break, do this set of health exercises designed for computer operators, you can quickly eliminate fatigue, restore strength. 1, sitting in a chair, the back should be straight, hands on the knees. An arm forward, together with the body back, eyes on the palm of the hand – breathe in. Return – exhale, change hands and do it again. 2. Sit on the chair, hands on the knees. Bend your arms and make a fist, hook your toes and lift up, pause briefly. Hands back to the knees at the same time, tense the toes, while the heel drives the toes together with the rotation. 3. Bend your arms at the elbows and put your hands on your shoulders. Do a circular motion with both elbows back and forth. 4.Cross your arms, lift your arms in front of your chest and do circular movements in front of your chest, while moving your shoulders, shoulder blades and pectoral muscles. 5, sitting in a chair, back to be straight, hands holding a knee as close to the abdomen. Then straighten this leg forward and put it back on the ground. Change legs and do it again. 6, straighten your hands forward and do the action of swimming, such as breaststroke. Try to stretch the body forward and to the sides. 7, sitting in a chair, one leg bent at the knee and turn to the side – as if stepping out to the side. Return. Change legs and do it again. 8, bend your arms and make a fist, put it in front of your chest, stretch your hands forward, to the sides, and then up. 9, one leg straight, toes up, the other leg bent, toes down, imitate the walking action, taking turns to change feet. 10.Sit on the chair with your legs straight. Lift the legs, turn to the sides, and draw a circle over the floor. 11.Sit on the chair and bend your arms and put your hands on your shoulders. Turn the body back and forth from side to side, so that the elbows as close to the back of the chair. 12.Sit on the chair and put your hands behind your head. Turn your head back and forth to the sides. 13.Put your hands on your knees. One hand reaches behind the shoulder from the top, the other hand reaches up from the bottom at the shoulder blade, cross your hands behind your back. Change hands and do it again. 14.Sit close to the back of the chair. Straighten your spine, slightly lower your head, and gently turn to the sides. Assume that there is a small ball in front of the chest, try to reach the ball with the lower forehead. Eyes wide open, follow the head rotation.