Lumbar sprain is well but the lumbar soreness is very strong, consider with the muscles and other soft tissues are not fully recovered. Lumbar sprain is the lumbar muscles, fascia, ligaments and other soft tissues, in the role of external forces, suddenly suffered excessive tension, caused by the lumbar joints, soft tissues and other injuries, the serious case may have soft tissue tears, clinical symptoms to the lumbar pain and lumbar activity is limited. When the symptoms of lumbar pain and limited activities disappear, it does not mean that the lumbar injury has been fully recovered, lumbar soreness is due to the muscles and other soft tissues than the normal tissues of the movement of the degree of tolerance decreases, is the performance of the sprain has not been fully recovered, prolonged sitting, standing, bending over the activities can aggravate the symptoms of lumbar soreness. If the symptoms of lumbago are serious, and there is no obvious relief after rest, it is recommended to go to the hospital as soon as possible.