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Quadriceps Active Test

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Other Names

  • Muller's Maneuver
  • Quadriceps Active Test
  • Muller's Test
  • Mullers Test
  • Quad Active Test


Patient positioning for the Quadriceps Active Test[1]


  • Patient is supine, both hips and knees flexed with foot on examination table
  • The first part is to observe anterior silhouette of the proximal tibia from the side
  • This should be compared contralateral knee
  • The patient is asked to activate their quadricep but lifting their foot off the table
  • Positive test:
    • Posterior sag of the proximal tibia initially
    • When the quadriceps is activated, anterior translation of the tibia should be seen



  • Unknown

See Also


  1. Image courtesy of https://drrobertlaprademd.com/, Quadriceps Active Test
Created by:
John Kiel on 7 August 2019 13:06:32
Last edited:
15 May 2023 10:02:29