Bicycling behind the leg tendon pain may be soft tissue contusion, ligament tear or calcium deficiency and other reasons, can be treated through general treatment, surgery and drug treatment and other methods. 1. Soft tissue contusion: Improper exercise leads to soft tissue contusion, which should be rested in time, and the symptoms can be gradually relieved in one to two weeks. 2. Ligament tear: The ligaments are overloaded during strenuous exercise, exceeding the load-bearing limit and leading to ligament tears or complete rupture. If the injury is serious, you need to go to the hospital in time for surgical treatment. 3. Calcium deficiency: Hypocalcemia may occur due to calcium deficiency in the body. The main symptom is neuromuscular symptoms, numbness of hands and feet, even muscle pain, and severe twitching of hands and feet. So the tendon at the back of the leg will be painful, you can follow the doctor’s advice to supplement calcium and vitamin D. Cycling behind the leg tendon pain, you need to go to the hospital in time, under the guidance of the doctor standardized treatment.