“Artho” means joint and “itis” means inflammation. There are approximately 38 causes of arthritis and most of these conditions affect the human foot. The most common of these conditions is osteoarthritis. This is the simple wearing and tearing away of the cartilage of the joints. Age, excessive weight, ill-fitting shoes and trauma (injury) are the basic causes of osteoarthritis. Fortunately, this condition is very treatable.