Dr. Kyle Mitsunaga, Dr. Morris Mitsunaga, Dr. Lance Mitsunaga, Dr. Christensen. Orthopedics is the medical specialty that focuses on injuries and diseases of your body's musculoskeletal system. This complex system includes your bones,joints,ligaments,tendons,muscles,and nerves and allows you to move,work,and be active. Once devoted to the care of children with spine and limb deformities,orthopedists now care for patients of all ages,from newborns with clubfeet to young athletes requiring arthroscopic surgery to older people with arthritis. And anybody can break a bone.