Most of the twisted back tendons are caused by strain on the fascia of the back or the muscles of the back, and the following symptoms can occur: first, pain, there can be obvious pain at the injury, especially when bending or bending to one side, the pain is very significant. Second, swelling, because there is often a small amount of bleeding at the injury, or there is soft tissue damage, can appear obvious swelling, serious cases will have subcutaneous bruising, ecchymosis, in the examination of the body there is obvious local pressure pain. Thirdly, restricted activity, due to swelling and pain, the waist is obviously restricted, often appearing forced posture, fixed in a certain position can not move, to carry out early active treatment.