Exam

Lever Test

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Lever Test, Lelli's Test

  • See Also
  1. Knee Exam
  2. ACL Rupture
  • Indications
  1. Suspected ACL Rupture
  • Technique
  1. Patient lies supine with legs extended
  2. Clinician places one fist under patient's proximal calf
  3. Clinician places other hand over the top of the distal anterior thigh and applies downward pressure
  • Interpretation
  1. Images
    1. orthoKneeLeverAclTest.jpg
  2. Negative Test
    1. Patient's heel remains elevated off the bed
  3. Positive Test (for ACL Rupture)
    1. Patient's heel falls to rest against the bed surface
  • Efficacy
  1. Test Sensitivity: 83 to 100%
  2. Test Specificity: 80 to 100%
  • Resources
  1. Lever Sign (Physiopedia)
    1. https://www.physio-pedia.com/Lever_Sign_Test
  • References
  1. Lelli (2016) Knee Surg Sports Traumatol Arthrosc 24(9):2794-97 +PMID: 25536951 [PubMed]
  2. Jarbo (2017) Orthop J Sports Med 5(10):2325967117729809 +PMID: 29051898 [PubMed]
  3. Massey (2017) Arthroscopy 33(8):1560-66 +PMID: 28499922 [PubMed]