Tarsal tunnel syndrome is a painful foot condition in which the tibial nerve is compressed as it travels through the tarsal tunnel. This tunnel is found along the inner leg behind the medial malleolus, otherwise known as the bump on the inside of the ankle.
Because it's difficult to determine the exact cause of Tarsal Tunnel Syndrome, it's important to determine the source of the problem. Certain items that could cause compression of the nerve include benign tumors or cysts, bone spurs, inflammation of the tendon sheath, nerve ganglions, or swelling from a broken or sprained ankle. Other culprits include varicose veins, as well.
TTS tends to be more common in athletes or individuals who tend to do a lot of standing as these people commonly put an excessive amount of stress on the tarsal tunnel area.