Substitution of the PCL in TKA With UC or PS Design

Substitution of the Posterior Cruciate Ligament in Total Knee Arthroplasty With Ultracongruent Insert or Posterior Stabilzed Design

RCT comparing UC and PS TKA

RCT comparing TKA with either ultraconguent insert or posterior stabilized design for substitution of the posterior cruciate ligament

Inclusion Criteria:

• scheduled for TKA

Exclusion Criteria:

• higher constraint needed