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Hughstons Plica Test

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Other Names

  • Hughston's Plica Test
  • Mediopatellar Plica Test (MPP)


  • Evaluate the Plicae as a cause of knee pain


Demonstration of Hughston's Plica Syndrome Test[1]
  • The patient is supine with knee extended[2]
  • Examiner stands on affected side
    • One hand around the heel, the other over the medial femoral condyle
  • Examiner flexes and extends patients knee while applying internal rotation, medial force on patella
  • Positive test
    • Pain and/or popping sensation
    • Commonly occurs in 30-60° of extension



Plica Syndrome

  • Compared to arthroscopy as diagnostic gold standard[3]
    • Sensitivity: 89.5%
    • Specificity: 88.7%
    • PPD: 78.7%
    • NPD: 94.4%
    • Diagnostic Accuracy 89%

See Also


  1. Lee, Paul Yuh Feng, et al. "Synovial plica syndrome of the knee: a commonly overlooked cause of anterior knee pain." The Surgery Journal 3.01 (2017): e9-e16.
  2. Magee DJ. Orthopedic Physical Assessment: 5th Edition. St. Louis, MO: Saunders Elsevier;2008.
  3. Kim, Sung-Jae, Doo-Hyung Lee, and Tae-Eun Kim. "The relationship between the MPP test and arthroscopically found medial patellar plica pathology." Arthroscopy: The Journal of Arthroscopic & Related Surgery 23.12 (2007): 1303-1308.
Created by:
John Kiel on 5 March 2021 14:25:05
Last edited:
12 April 2023 16:58:31