Trendelenberg Test

Background: Originally described by Friedrich Trendelenberg as the Trendelenberg sign in 1895 (Trendelneberg 1998)

Procedure: The patient is observed standing on one limb. The test is positive if the contralateral side drops and is suggestive of a weak gluteus muscle.

Evidence

Reliability

  • Intra-observer kappa=.676 (Bird 2001)

Validity

  • For detecting gluteus medius tendon tear (Bird 2001), performed on 24 women who underwent MRI
    • Sn=72.7%
    • Sp=76.9%
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