Assesses for pain originating at SI joint

Performing the Test

  1. Patient lying supine
  2. Examiner crosses the patients arms and applies force to bilateral ASIS's. The examiner pushes the iliac crests away from each other and towards the examination table
  3. Examiner holds this pressure for 30 secs then applies repeated force
    • Sensitivity: 60%, Specificity: 81%
    • LR+ = 3.2, LR- =0.5


  1. 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.
  2. Cook CE, HEgedus EJ. Orthopedic Physical Examination Tests:An Evidence-Based Approach. New Jersey: Pearson Education; 2008.
  3. Hurley K. OSCE and Clinical Skills Handbook. Halifax: Elsevier Canada; 2005.