30/03/2026
Varus–Valgus Stress Test | Collateral Ligament Instability Assessment
Knee instability isn’t always obvious—clinical testing matters.
The Varus–Valgus Stress Test is a fundamental orthopedic assessment to evaluate collateral ligament integrity.
Valgus Stress → Medial Collateral Ligament (MCL)
Varus Stress → Lateral Collateral Ligament (LCL)
These ligaments provide frontal plane stability and resist excessive valgus & varus forces at the knee.