The Orthobullets Podcast Foundations | Knee & Sports | PCL Injury
Dec 24, 2025
Discover the fascinating world of PCL injuries, including common causes like hyperflexion and dashboard incidents. Learn key physical exam techniques such as the posterior sag and drawer tests, essential for accurate diagnosis. The discussion also covers imaging techniques, from standard radiographs to MRIs and stress views. Unpack the nuances of nonoperative approaches and rehabilitation strategies, and explore operative options for PCL repair versus reconstruction. Finally, dive into biomechanics and rehabilitation precautions for athletes post-injury.
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PCL Injuries Often Coexist With Other Ligament Tears
- PCL injuries often cause posterior knee instability and commonly occur with other knee ligament injuries.
- MRI is required to confirm suspected PCL injury after clinical exam and effusion.
Common Mechanisms And Energy Levels
- Typical mechanisms include dashboard impact, non-contact hyperflexion with plantarflexed foot, or hyperextension.
- Differentiate high-energy trauma (more multi-ligament) from isolated athletic mechanisms.
Use Specific Tests To Detect PCL Laxity
- Use the posterior sag and posterior drawer tests to detect PCL laxity and quantify translation.
- Perform the quadriceps active test to reveal anterior tibial reduction during knee extension.