- What it is:
- Injury to the posterior cruciate ligament from excessive posterior translation of the tibia — often from dashboard impact or falling on a flexed knee.
- Classic signs:
- Posterior sag sign
- Posterior knee pain
- Difficulty descending stairs
- Instability (less dramatic than ACL)
- Dashboard injury mechanism
- Rule-in test:
- Posterior Drawer Test (NPTE’s favorite)
- Rule-out clues:
- Immediate swelling → ACL
- Locking/catching → Meniscus
- Medial tenderness → MCL
- NPTE trap:
- “Dashboard injury” = PCL. Never ignore it.
- Best treatment:
- ROM, quad strength, avoid early hamstring loading.
- Mock question included: Yes.
Lock down PCL injuries in under 3 minutes. Hit follow for more NPTE wins.
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