Assess if gait disturbance is due to weakness of hip abductors.
Performing the Test
With the patient standing, ask them to stand on one leg
Positive test: indicated by elevation of the iliac crest/gluteal folds of the weight bearing leg or pelvic PSIS drop of the non-weightbearing leg
Indicates weakness of hip abductors on weight bearing leg
Sensitivity: 73%, Specificity: 77%
LR+ =3.15, LR- =0.35
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.
Hurley K. OSCE and Clinical Skills Handbook. Halifax: Elsevier Canada; 2005.