Your hip is one of the largest weight-bearing joints in your body. When it's working properly, it lets you walk, sit, bend, and turn without pain. To keep it moving smoothly, a complex network of bones, cartilage, muscles, ligaments, and tendons must all work in harmony. Over time, wear and tear can result in worn cartilage and broken or deteriorated bone. This wear and tear is called osteoarthritis and it is the most common cause of hip pain. Use the menu below to learn more about hip arthritis, hip replacement and the Zimmer® MIS 2-Incision™ Hip Procedure.