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:
- Weakness of gluteus medius
- Hip instability and subluxation
- Hip osteoarthritis
- Initially post Total Hip Replacement
- Superior Gluteal Nerve Palsy
- Lower back pain
- Legg-Calvé-Perthes Disease
- Congenital hip dislocation
- A Trendelenburg gait can also be observed caused by abductor insufficiency and is characterized by:
- Pelvic drop in swing phase
- Trunk side flexion towards the stance limb
- Hip adduction during stance phase.
- Campbel's Operative Orthopaedics 13th Book