Sag Sign Test | Rationale & Interpretation

The video tutorial explains the sag sign test, a special test for assessing PCL injuries. It covers the proper positioning of the patient, the importance of supporting the foot without affecting the calf, and how to visually compare both knees to identify tibial sag. The tutorial also discusses the significance of negative and positive results, emphasizing the test's high specificity for diagnosing PCL injuries.

Explain the difference between a negative and a positive posterior sag sign.

What does a positive posterior sag sign indicate regarding the PCL?