2. When a person stands up straight and leans back, the inhaled air will be hit and squeezed out at the moment of touching the wall, making a slight natural sound. When hitting the wall, it is best to hit the wall with your whole back flat and make a firm sound at the same time. Elderly patients with severe heart disease, spinal diseases, visceral ptosis, hypertension and advanced tumors should not use this method for exercise.
3. Then leave the wall and repeat the above actions 100 times, each time for about ten minutes. Must ensure the smoothness of the wall; Do not practice during pregnancy, physiological period, after satiety and less than one year after operation; You must be accompanied by an old man when practicing. You will feel dizzy and headache when you fight, which is a normal phenomenon in the adjustment of human meridians. Don't worry.
The disadvantages of hitting the wall:
1, everything is dialectical, and hitting the wall has advantages and disadvantages. Generally speaking, the disadvantage is that the strength can not be too strong, which is easy to cause spinal deformity. Be sure to control the strength. Although there are many benefits, not everyone can hit the wall with his back, such as pulmonary insufficiency, lumbar disc herniation, arthritis, rheumatoid disease, osteoporosis and other diseases.
2. If you choose to hit the shoulder and back against the wall for a long time, the force is too great, which may cause more serious muscle strain in this part and may cause soft tissue damage in this part. This method of hitting the wall with the back is not a reasonable treatment, because the external force of hitting the wall with the back will often further aggravate the severity of muscle strain.
Refer to the above contents: People's Daily Online-Wei: Back knocking is an effective training method for cervical spondylosis.