Hornblower sign

 Hornblower sign

What is Hornblower sign?

  • Hornblower sign or test is used to test for Teres Minor or Infraspinatus muscle pathology of the rotator cuff (external rotators of the shoulder).

How it's Performed?

  • The examiner brings the shoulder to 90 degrees of abduction and 90 degrees of external rotation.
  • Then he asks the patient to hold this position.

What does a positive Hornblower sign mean?

  • It considered Positive if the patient arm falls into internal rotation.

Sensitivity & Specificity

  • Sensitivity: 100 %
  • Specificity: 93 %

Reference




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