Trendelenburg Test

 Trendelenburg Test

What is Trendelenburg Test?

  • Trendelenburg Test is used to Identify weakness of the hip abductors.
  • It can be used to assess other mechanical, neurological or spinal disorders, such as the Congenital dislocation of the hip or hip subluxation.

How it's Performed?

  • The patient is asked to stand on one leg for 30 seconds without leaning to one side the patient can hold onto something if balance is an issue.
  • The examiner observes the patient to see if the pelvis stays level during the single-leg stance.

What does a positive Trendelenburg Test mean?

  • A positive Trendelenburg Test is indicated if during unilateral weight bearing the pelvis drops toward the unsupported side.
  • Several dysfunctions can produce a positive Trendelenburg Test:
    1. Weakness of gluteus medius
    2. Hip instability and subluxation
    3. Hip osteoarthritis
    4. Initially post Total Hip Replacement
    5. Superior Gluteal Nerve Palsy
    6. Lower back pain
    7. Legg-Calvé-Perthes Disease
    8. Congenital hip dislocation
  • A Trendelenburg gait can also be observed caused by abductor insufficiency and is characterized by:
    1. Pelvic drop in swing phase
    2. Trunk side flexion towards the stance limb
    3. Hip adduction during stance phase.


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