Back swelling may be due to the following reasons: 1, common causes, such as is fasciitis. This time local inflammation will cause swelling. 2, may be the back muscle strain, because the strain muscle can not get rest, long time in a state of tension, will also appear local swelling, causing back swelling. 3, may be local tumors, such as bone giant cell tumor, osteosarcoma, hemangioma, these tumors will grow up to cause back swelling discomfort. 4, may be a local small joint disorder or synovial The company’s main business is to provide a wide range of products and services to its customers.