OnExam

Assesses for medial collateral ligament (MCL) stability.

Performing the Test

  1. With knee relaxed at 30° of flexion, examiner places hand on lateral aspect of knee and other hand grasps the lower leg
  2. Apply valgus (lateral to medial) force on lateral aspect of knee and the other pulling the leg laterally at the ankle
  3. Repeat with knee in full extension
  4. Positive test: excessive medial gapping and reproduction of pain
  5. If test positive at 30°, likely MCL involvement; if positive at 0°, likely PCL/joint capsule involvement
  6. Sensitivity: 86%

References

  1. Pawa J, Lesniak, D., & Lott, A. Approach to the OSCE: The Edmonton Manual of Common Clinical Scenarios. Edmonton Manual; 2011.
  2. Baxter S, ed., McScheffrey G, ed. Toronto Notes: Comprehensive Medical Reference & Review for MCCQE 1 & USMLE 2. 26th ed. Toronto: Toronto Notes for Medical Students Inc; 2010.
  3. Bickley L. Bate’s Guide to Physical Examination and History Taking. 10th ed. New York: Lippincott Williams & Wilkins; 2009.
  4. Essential Evidence Plus. http://www.essentialevidenceplus.com. 2011. Accessed February 2011.
  5. Hurley K. OSCE and Clinical Skills Handbook. Halifax: Elsevier Canada; 2005.
  6. Levy DB, Soft Tissue Knee Injury. Emedicine from WebMD. http://emedicine.medscape.com/article/826792-overview. 2009. Accessed February 2001.
  7. Magee D. Orthopedic Physical Assessment. 1st ed. Philadelphia:Saunders; 1986.