There are two main symptoms after a lumbar ligament strain: 1. The obvious pain at the location of the injury is due to the destruction of the small nerves in the ligament after the ligament injury and the pain. In addition, the injury will form bruising and swelling and inflammatory edema, which will stimulate the peripheral nerves, resulting in more obvious pain. The pain is especially pronounced when the lesion is irritated by moving the lower back or pressing with the hand. The pain can be significantly reduced when the strained ligament is relaxed by taking bed rest.2. The unfavorable activity of the lumbar region is mainly due to the fact that after the ligament strain, the strained part will be further stimulated and the pain will be aggravated when the activity is carried out, so the situation of not daring to move. In addition, due to some ligament strains after the ligament pulling function has been affected, it will lead to unfavorable activities of the waist.