Varus Stress Test (Knee) Special Test

What is it used for?

• Assessing the Lateral Collateral Ligament (LCL).

How to Perform

• Position: Patient supine.
• Action: Apply a Varus (outward) force to the knee while stabilizing the ankle.
• Test: Perform at 0° and 30° flexion.

Interpretation of Results

• Positive Test: Pain or excessive gapping laterally.
• Note: Laxity at 0° suggests major Posterolateral Corner (PLC) injury.

Diagnostic Accuracy

• Sensitivity: 25% (often low due to ITB guarding)

References

• Magee, D. J. (2021). Orthopedic Physical Assessment.