Acute PLC Background
Anatomy

3 primary stabilizers (plus posterolateral capsule)
LCL / Popliteus / Popliteofibular ligament
Laprade et al. AJSM 2003
https://pubmed.ncbi.nlm.nih.gov/14623649/
1. Lateral collateral ligament
Femoral attachment

LCL / Popliteus / Popliteofibular ligament
Laprade et al. AJSM 2003
https://pubmed.ncbi.nlm.nih.gov/14623649/
1. Lateral collateral ligament
Femoral attachment


Developmental Anatomy
Knee joint first appears as a mesenchymal cleft at 8 weeks gestation
- ACL and PCL separate entities by week 10