Each of us has experienced back pain at least once in our lives. One day I was so caught up that I couldn’t get up and walk to the front door. This story cost me two days' wages plus about a hundred dollars spent on doctors and medicine, and about two weeks of constant torment. And yet my case was not one of the hardest: millions of people suffer from unbearable back pain day after day. The wide prevalence of this phenomenon, as well as a variety of causes that can cause back pain, have created a whole health direction in America. Many doctors specialize exclusively in back diseases. There are special clinics for such patients . Tablets and pills, ointments and balms, exercise complexes and all kinds of devices are created in order to alleviate or prevent back pain. And operations on the spine are one of the most frequent in clinical practice. Chiropractors and masseurs are trying to treat such pain Therapists and specialists in physical therapy develop various procedures, make up memos for patients or predisposed to back pain . On the one hand, such a great attention to this group of diseases allows us to expand our knowledge about the causes of their occurrence and fight them at a higher level.