Why does the back of one foot hurt when you run?

Running pain in the back of one foot may be caused by physiological reasons such as inappropriate running shoes and incorrect running pressure points, or it may also be caused by pathological factors such as trauma, joint degeneration and autoimmune diseases.
1. Physiological reasons: If the running shoes are not suitable, the affected side of the foot may rub against the shoes repeatedly during the running process, resulting in pain symptoms; in addition, if the pressure point is not right during the running process, the above symptoms may also occur.
2. Trauma: improper exertion can lead to foot sprains, causing local soft tissue injuries, and weight bearing and exertion during running can stimulate and aggravate the injured area, causing pain in the back of the foot.
3. Joint degeneration: Long-term running practice can lead to chronic strain of the ankle joint and degenerative joint lesions, such as the formation of bone cumbersome, cartilage aging, etc. Friction or impact in the process of running can cause pain in the back of the foot.
4. Autoimmune diseases: such as rheumatoid arthritis, gout, etc., can accumulate the cartilage surface of the ankle joint, and the burden and friction of the joint surface can be aggravated during running, resulting in instep pain.
Running a dorsal pain may also have other causes, it is recommended that the patient timely hospital consultation, clear causes for targeted treatment.