OnExam

Assesses for posterior cruciate ligament tear

Performing the Test

  1. Patient supine, both hips flexed to 45°, knees flexed to 90°, with feet flat
  2. Place thumbs on superior medial knee and run down anterior knee
  3. Normal - feel a dip at the joint line, followed by a prominent edge at the superior tibia
  4. Positive test: dip to flat at the superior edge of tibia indicating sagging of tibia posteriorly

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.