Procedure

  1. Patient supine with legs straight.
  2. Examiner stabilizes lateral ankle and applies a medial to lateral (varus) force at the knee.
  3. Procedure is then repeated with the knee slightly flexed (-25°).

Varus lateral meniscus knee Test

Interpretation

Positive Varus Stress Test

Pain: Lateral collateral ligament strain.

Increased motion/gapping: Lateral collateral ligament rupture.

Clinical Notes

Synonym: Adduction Stress Test
The term varus refers to the distal bone moving medially.

Lateral collateral ligament injury classification

Grade 1 – 0-5 mm of joint opening, no instability

Grade 2 – 5-10 mm of joint opening, mild instability

Grade 3 – 10-15 mm of joint opening, moderate instability

Grade 4 – >15 mm of joint opening, severe instability