The Clinical Orthopaedic Society

COS Founded in 1912, the assignment of the Clinical Orthopaedic Society is to enhance the science of the physical examination as the central constituent in the diagnosis and management of musculoskeletal circumstances and to educate society on orthopaedic issues impacting patient care. In Chicago in 1912 the Central States Orthopaedic Club was founded with 28 members, the President existence Dr. John Lincoln Porter of Chicago, Illinois. Members, some of whom were also associates of the American Orthopaedic Connotation celebrating its silver anniversary, were from the central states: Illinois, Indiana, Iowa, Kansas, Louisiana, Michigan Minnesota, Missouri, Nebraska, Ohio, Tennessee, and Wisconsin. The club was intended to become the opening "show and tell" orthopaedic organization. By 1923 the organization had grown and the name was transformed to the Clinical Orthopaedic Society. The original philosophies of the originators were "the estimation in different cities of substances related to orthopaedic surgery and the free conversation amongst its members of orthopaedic methods and teaching". COS boared members are President: William C. Warner, Jr., MD, First President-elect: Robert M. Peroutka, MD, Second President-elect: James A. Slough, MD, Secretary-Treasurer Ricardo J. Rodriguez, MD, Librarian-Historian: Dabney Y. Hofammann, MD, Immediate Past President: Bess E Brackett, MD,  Past President: L. Andrew Koman.