When pain, injury, or a torn ligament is standing between you and the life you want to live, you need a Dallas orthopedic surgeon with the training, experience, and genuine commitment to get you back to full strength. Dr. Steven J. Thornton, MD is a board-certified orthopedic surgeon and fellowship-trained sports medicine specialist serving patients throughout Dallas, Plano, Frisco, McKinney, and the greater Dallas Fort Worth area.