Rationale of the Knee Society clinical rating system.

  title={Rationale of the Knee Society clinical rating system.},
  author={J. Insall and L. Dorr and R. Scott and W. N. Scott},
  journal={Clinical orthopaedics and related research},
A new total knee rating system has been developed by The Knee Society to provide an up-to-date more stringent evaluation form. The system is subdivided into a knee score that rates only the knee joint itself and a functional score that rates the patient's ability to walk and climb stairs. The dual rating system eliminates the problem of declining knee scores associated with patient infirmity. 

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