Many people have the experience of low back pain, and when complaining about the pain caused by lumbar spondylosis, they forget to pay attention to the causes of lumbar spondylosis formation, because avoiding the causes is the best way for us to stay away from lumbar spondylosis. There are many causes of lumbar pain, such as acute lumbar sprain, chronic lumbar strain and lumbar disc herniation, but the symptoms of lumbar pain caused by different etiologies are different. The doctor is not always able to point out the cause of the patient’s pain. But the doctor will try to make sure that your symptoms are not caused by a serious disease, such as cancer or a spinal cord infection. The causes of the development of lumbar spondylosis can generally be divided into intrinsic and extrinsic factors, etc. Degenerative changes can occur in the intervertebral discs, which are porous and flexible and strong during childhood. The nucleus pulposus in the middle of the disc contains a lot of water. This gives the disc the ability to absorb shock and thus protect the spine. The first changes in the disc as we age are that the annular bands around the nucleus become weaker and begin to have small cracks and wear. The body uses scar tissue to repair the cracks. However, the scar tissue is not as strong as the original tissue. Tearing of the annular band is one of the causes of pain: 1. There are pain receptors on the outer whorl of the annular band. Pain occurs when the outer edge of the annulus is torn; 2. Inflammation caused by tearing also produces pain Over time, the disc begins to lose water and it becomes dry. As a result, the vertebrae begin to move closer to each other. If the discs continue to degenerate, the vertebrae narrow in spacing, which puts pressure on the small joints at the back of the spine. When these joints are squeezed together, the articular cartilage is subjected to additional stress. These extra stresses can damage these joints. Over time, this can lead to inflammation of the small joints. Thus degenerative lesions of the discs, facet joints and ligaments cause the spine to become unstable, and the ensuing additional movement of the spine can add to the wear and tear on the spine. As a result, the annulus is subjected to more and more tearing. The nucleus pulposus may be pushed into the spinal canal through the torn annulus. This is called a disc herniation or disc rupture. The extruded disc can compress the spinal nerve. The disc releases enzymes and chemicals that cause inflammation. The combination of nerve compression and inflammation caused by the chemicals released from the disc causes pain. Degeneration continues to progress and bone spurs grow around the facet joints and discs. No one knows exactly why bone spurs develop. Most doctors believe that bone spurs appear as the body tries to limit excessive movement between spinal cord segments. These spurs cause problems by pressing on the nerves that pass through the nerve foramina. The pressure around the irritated nerve roots causes pain, numbness and weakness in the lower back, buttocks, lower extremities and feet. The spinal cord segments eventually become stiff and inflexible. Thickened ligaments and facet joints, scarred, dehydrated disc tissue and protruding bone spurs prevent normal movement. Hard joints are generally less likely to cause pain than overly mobile joints, so this stage of degeneration may relieve pain in some people.