Assesses for small knee effusions.

Performing the Test

  1. Patient supine, milk fluid into lateral compartment by stroking upwards on medial side of knee and then stroke downwards on lateral side of knee
  2. Positive test: fluid wave returning to medial compartment


  1. Bickley L. Bate’s Guide to Physical Examination and History Taking. 10th ed. New York: Lippincott Williams & Wilkins; 2009.
  2. Magee D. Orthopedic Physical Assessment. 1st ed. Philadelphia:Saunders; 1986.