Standing or sitting on feet or sitting with crossed feet is strictly advised against. Sometimes, Achilles tendinitis can also cause pain in the ankle, especially while running. Individuals undergoing hormone replacement therapy may also experience retention of excess amounts of fluid in the body. When you point your feet, hold in the position for 30 seconds and repeat the same when you are flexing your feet. It is not uncommon to see people experiencing swollen ankles after surgery. Athletic activities stress the ankles to a great extent. The lateral surface has a convex shape and is subcutaneous. Initially you will experience intermittent pain of varying intensity. More Helpbunion on second toeThis excess sodium deposited in body parts then allows fluid retention and swelling of the feet. This happens when the leg veins are unable to pump oxygenated blood, back to the heart and it accumulates, causing the blueness.