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Elys Test

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Other Names

  • Ely Test
  • Duncan-Ely Test
  • Ely's Test
  • Ely's prone test


Ely's Test[1]


  • The patient lays prone on the examination table
  • One hand is placed on the patients lower back, the other on the ipsilateral ankle
  • Passively flex the knee towards the buttocks, testing both sides
  • Positive Test:
    • Heel can not touch buttocks
    • The affected hip raises off the table
    • The patient feels pain or tingling in the back of their legs



Rectus Femoris Spascticity

  • Marks et al[2]
    • Sensitivity: 56% - 59%
    • Specificity: 64% - 85%

See Also


  1. Manske, Robert C., and George J. Davies. "Examination of the patellofemoral joint." International journal of sports physical therapy 11.6 (2016): 831.
  2. Marks M C, Alexander J, Sutherland D H, Chambers H G. (2003) Clinical utility of the Duncan-Ely test for rectus femoris dysfunction during the swing phase of gait. Developmental Medicine & Child Neurology 2003, 45: 763–768
Created by:
John Kiel on 17 July 2019 00:17:11
Last edited:
28 March 2023 15:04:44