Dr. Mark Sobel is an orthopaedic surgeon specializing in orthopaedic conditions of foot, ankle, shoulder, knee and sports medicine. The website specially designed for his patients to serve as an educational resource, providing comprehensive information on orthopaedic conditions & treatments. Please consider this website as an educational resource, and do not use it as a treatment guide or for decision making. All such decisions must be made in consultation with an orthopaedic surgeon or healthcare provider.