Percuss the patient's wrist at the radioulnar articulation where anatomic carpal tunnel is located
Positive test: Reproduction of symptoms in median nerve distribution
Sensitivity: 60%, Specificity: 67%
LR+ =1.8, LR- = 0.6
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.
Bickley L. Bate’s Guide to Physical Examination and History Taking. 10th ed. New York: Lippincott Williams & Wilkins; 2009.
Essential Evidence Plus. http://www.essentialevidenceplus.com. 2011. Accessed February 2011.
Hurley K. OSCE and Clinical Skills Handbook. Halifax: Elsevier Canada; 2005.
Magee D. Orthopedic Physical Assessment. 1st ed. Philadelphia:Saunders; 1986.