This is an inflammation of the Achilles tendon. This tendon connects the calf muscle to the heel bone. This condition is often a result of overuse amongst athletes, females who wear high heels or a malposition of the heel.
A result of the overextension of ligaments, which may have resulted from trauma, athletic injury or an unstable ankle.
Is an inflammation of the joints. Symptoms include joint stiffness, pain or tenderness that persist for two weeks or more. The cartilage protecting the joint is eroding and pain is caused by bone rubbing against bone. Rheumatoid arthritis and osteoarthritis are the two most common forms of the disease; though many varieties exist.