There does not exist a trick to determine lumbar muscle strain. If the following symptoms occur, you should be alert to lumbar muscle strain: localized pain, soreness, and discomfort; localized appearance of swelling; and limited activity. 1. Localized pain, soreness and discomfort: this condition can cause soreness after prolonged exercise in a certain area, such as prolonged bad posture, lifting heavy objects or bending over. At first it is a localized dull pain, and later it will gradually turn into sharp pain and tingling sensation, which will be relieved after resting. Later, even if you stop the bad posture and exercise, there will be soreness and pain, and it will be gradually aggravated, considering the lumbar muscle strain. 2. Localized appearance and swelling: when muscle strain is severe, involuntary muscle vibration and shaking, as well as localized swelling will occur. 3. Limited mobility: If the patient is unable to achieve the original level of mobility when moving or exercising, and the duration of the activity is shortened due to pain, it is considered to be caused by lumbar muscle strain injury. If you want to clarify whether there is lumbar muscle strain, it is recommended to go to a regular hospital, please have an experienced doctor combined with auxiliary examination can determine muscle strain, but also can carry out electromyography. Preventing errors in judgment caused by their own mistakes in preventing the wrong condition.