Yergason Sign

Yergason Sign

What is the "Yergason Sign" used for?

  • Inflammation of the long head of the biceps
  • This test may be negative with partial or complete rupture of the supraspinatus tendon.

How to perform the "Yergason Sign"?

  • The elbow is flexed to 90 degrees, the forearm is pronated.
  • The patient attempts to supinate the forearm actively against resistance applied by the examiner at the patient’s wrist.

What is the positive result?

  • Pain localized to the bicipital groove indicates inflammation of the long head of the biceps.

Test Accuracy

  • Sensitivity: 43 %
  • Specificity: 79 %

References

  • Campbel’s Operative Orthopaedics Book
  • Churgay CA. Diagnosis and treatment of biceps tendinitis and tendinosis. Am Fam Physician. 2009 Sep 1;80(5):470-6. PMID: 19725488.