Significance of posterior clearance during modified ligament dependent cut procedure in total knee arthroplasty was assessed in 62 cases. The posterior clearance consisted of release of the posterior cruciate ligament, release of the posterior capsule, excision of posterior osteophytes, and excision of posterior condyle which was not covered with the posterior flange of the femoral component. Posterior clearance significantly improved the maximum flexion angle, relieved extension disturbance, and provided proper joint gap after ligament release. No major complications were found. Posterior clearance is a significant technique to achieve maximum flexion angle during total knee arthroplasty.
