Signs of a damaged ligament can vary depending on the severity and location of the injury. However, common indications of a ligament injury include pain, swelling, instability, and limited range of motion in the affected joint. These symptoms can range from mild discomfort to severe pain, depending on the extent of the ligament damage.   In milder cases, individuals may experience slight pain and swelling in the injured area. They may also notice mild instability or looseness in the joint. For more moderate ligament injuries, such as partial tears, individuals may experience more significant pain and swelling.    The joint may feel unstable, making it challenging to bear weight or engage in activities that involve movement. Severe ligament injuries, including complete tears or ruptures, often present with intense pain, significant swelling, and marked instability in the affected joint. Individuals may feel a sudden "pop" or tearing sensation at the time of injury. Walking or bearing weight on the injured limb may be impossible, and the joint may give way or feel wobbly.