Assesses nerve impingement and lumbar radiculopathy
Performing the Test
With the patient lying supine, the examiner passively raises the leg while maintaining knee extension and neutral ankle dorsiflexion
Positive test: reproduction of symptoms and sensitization with hip flexion,
Herniated disc post-test probabilities:
Sensitivity: 97%, Specificity: 57%
LR+ = 2.23, LR- =0.05
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.
Essential Evidence Plus. http://www.essentialevidenceplus.com. 2011. Accessed February 2011.