OnExam

Assesses disc herniation and lumbar radiculopathy

Performing the Test

  1. Perform a straight leg raise test on the asymptomatic leg, adduct the asymptomatic leg accross midline
  2. Positive test: reproduction of symptoms in contralateral leg
    • Sensitivity: 43%, Specificity: 97%
    • LR+=14.3, LR-=0.59

References

  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. Essential Evidence Plus. http://www.essentialevidenceplus.com. 2011. Accessed February 2011.
  3. Hurley K. OSCE and Clinical Skills Handbook. Halifax: Elsevier Canada; 2005.