How to tell if a ligament is torn in a knee sprain

Knee sprains can be determined by history, symptoms, physical examination, and imaging to determine if the ligament is torn.
1. Medical history: the patient’s medical history, such as the time of injury, the history of the injury.
2. Symptoms: After a knee sprain, the affected area will experience severe pain, usually accompanied by swelling and bruising. If the sprain is more serious, ligament rupture will cause the knee joint activity obstacle, joint instability, limp leg and so on.
3. Physical examination: The knee can be examined in detail to see if there is swelling, deformity, pressure and pain, etc. The range of motion of the knee can also be examined to determine whether the ligament is ruptured.
4. Imaging examination: X-ray, CT, magnetic resonance imaging, etc. X-ray and CT mainly to see whether there are fractures and other injuries at the same time, and magnetic resonance imaging can determine whether the ligaments are fractured, and the severity of meniscus, cartilage and other injuries.
After the knee sprain, if the pain and swelling is serious and the activity is affected, you should go to the hospital for further examination to judge the condition, and then targeted treatment.