Calf muscle contusion a year after exertion is still painful, the main reasons include fascial adhesion, tendon or ligament injury. 1. Fascial adhesion: after the calf muscle contusion, if there is no timely disposal, or incorrect disposal at that time, it will cause repeated tearing, repair and fibrosis of the muscle myocardium, and the local myofascial adhesion or even contracture, losing the original tissue activity, and when stimulated by external pulling, the symptoms of pain will still occur. 2. Tendon or ligament injury: if the calf contusion is more serious at that time, there may be tendon or ligament injury in the early stage of the injury, but the symptoms are mainly manifested as a contusion, and did not pay attention to or get the correct disposal. Late contusion recovery after normal activities, resulting in tendon, ligament stale injury, may also appear contusion a long time later, still appear pain symptoms. Calf muscle contusion a year after exertion still pain may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.