The Difference Between a C R Design and a Ps Design Knee

A cruce retaining, or c r, design is that it avoids tibial post camp impingement slash dislocation. Disadvantages of a c r design include that a tight pecal may cause accelerated paleatlene wear. A loose or ruptured pecel may lead to flexion instability and sub lexation. Now let's talk about a posterior stabilized, or ps design. In terms of the design of a p s n, this is a slightly more constrained prothesis that requires sacrifice of the pc l.