4 health-care actions for those who sit in front of the computer for a long time

The widespread use of computers has made the problem of sitting for long periods of time increasingly prominent. For people who sit for long periods of time, the most common adverse symptoms are blurred and dry eyes, soreness in the cervical and lumbar spine, and numbness and heaviness in the legs. Many people are troubled by this. In fact, learning to take care of yourself at work can effectively drive away these discomforts. Professor Yan Tiebin, director of the Rehabilitation Department of Sun Yat-sen Memorial Hospital of Sun Yat-sen University, introduced four health-care actions to the "sedentary people":
1. Blink.
Blink your eyes several times, then look left, right, and then turn your eyes. Repeat this ten times and then stare into the distance for one minute. Doing so helps relax the eye muscles and activate blood circulation in the eyes.

2. Turn your head.
First raise your head and lean back as far as possible, then slowly lower your head, bringing your chin as close to your chest as possible, so that the muscles in your neck and back can be tightened and relaxed. Then, slowly move your head in a circular motion and tilt it to the left and right 10 to 15 times. Then lean your back against the chair and clasp your hands behind your neck for a moment. This also has a good effect on the thyroid and parathyroid glands in the neck, and is conducive to mental recovery. 3. Tap your waist.
Make hollow fists with both hands, put your hands behind your back, and use the back of your fists to rhythmically tap your sacrum and waist. The technique should be steady, with the force increasing from light to heavy, and there should be a sense of vibration. You can first tap from the sacrum upwards to the waist and back, then tap from the top to the bottom to the sacrum, and repeat this process.
4. Stand on tiptoe.
Stand on your heels, with only your toes touching the ground, and shake your legs up and down continuously. As the muscles in the legs constantly contract and relax, the knee and ankle joints will move continuously, which can promote blood circulation in the lower limbs, supply more nutrients and oxygen to the lower limbs, and effectively avoid numbness and heaviness in the legs after sitting for a long time.

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