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McMurray Test

Aka: McMurray Test, McMurray's Test
  1. Indication
    1. Evaluation for Knee Meniscus Injury
  2. Efficacy
    1. Test Sensitivity: 26 to 58%
    2. Test Specificity: 59 to 94%
    3. Probability of injury if positive: 66% (Positive Likelihood Ratio 17.3)
    4. Probability of injury if negative: 5% (Negative Likelihood Ratio 0.5)
    5. References
      1. Jackson (2003) Ann Intern Med 139(7): 575-88 [PubMed]
      2. Solomon (2001) JAMA 286:1610-20 [PubMed]
  3. Technique
    1. Patient lies supine
      1. Knee flexed to 45 degrees
      2. Hip flexed to 45 degrees
    2. Examiner braces lower leg
      1. One hand holds ankle
      2. Other hand holds knee
    3. Medial meniscus assessment
      1. Assess for pain on palpation
        1. Palpate medial joint line with knee flexed
      2. Assess for "click" suggesting meniscus relocation
        1. Apply valgus stress to flexed knee
        2. Externally rotate tibia (toes point outward)
        3. Slowly extend the knee while still in valgus
      3. Images
        1. orthoKneeMcMurrayMedial.jpg
    4. Lateral meniscus
      1. Repeat above with knee varus stress and tibia internal rotation
      2. Images
        1. orthoKneeMcMurrayLateral.jpg
  4. Interpretation: Positive Test suggests Meniscal Injury
    1. "Click" heard or palpated on above maneuvers
    2. Joint line tenderness on palpation
  5. References
    1. Stratford (1995) J Orthop Sports Phys Ther 22:116-20 [PubMed]

McMurray test response (observable entity) (C0231755)

Concepts Finding (T033)
SnomedCT 15876000
English McMurray's test, knee meniscal integrity McMurray test, McMurray test (physical finding), mcmurray's test, mcmurray test, mcmurrays test, McMurray test response (observable entity), McMurray test, McMurray test response
Spanish prueba de McMurray (entidad observable), prueba de McMurray, respuesta a prueba de McMurray (entidad observable), respuesta a prueba de McMurray
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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