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
Examiner holds this pressure for 30 secs then applies repeated force
Sensitivity: 60%, Specificity: 81%
LR+ = 3.2, LR- =0.5
References
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.