What exactly would be a Sprained Ankle? The ankle joint joins your foot to your lower leg. Your ankle bones are held in place by three ligaments. A sprained ankle occurs if one of these ligaments is overstretched or ruptured. Ankle sprains are classified by severity by doctors: Symptoms The symptoms and signs of an ankle sprain differ based on the extent of the … [Read more...] about Sprained Ankle: Symptoms, Causes and Diagnosis