Ankle osteoarthritis (OA) is a painful condition caused by gradual wear and damage to the smooth cartilage that lines the ankle joint. As the cartilage becomes thinner, the bones begin to rub together, leading to pain, stiffness, swelling and difficulty walking. Unlike hip and knee arthritis, ankle osteoarthritis is most commonly caused by previous injury or trauma. Old ankle fractures, severe sprains, sporting injuries and ligament damage can all increase the likelihood of d