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How to Balance the Posterior Cruciate Ligament in a Cruciate-retaining Total Knee Arthroplasty

Reliable and durable outcomes are reported with both cruciate-retaining and posterior-stabilized total knee arthroplasty designs. Although proponents of each technique cite their own potential benefits, it is widely accepted that the outcome of cruciate-retaining total knee replacements is dependent on appropriate soft tissue balancing. The process of posterior cruciate ligament balancing begins with appropriate bone resections, continues through balancing of the knee with trial components, and possibly ends with selective release of the posterior cruciate ligament. Simple intraoperative tests can provide the surgeon with feedback regarding the tension of the ligament as being either too loose or too tight. With this technique, excellent results with cruciate-retaining total knee arthroplasty can be expected.