Yergason Sign

 Yergason Sign

What is Yergason Sign?

Yergason Sign is a functional test of the long head of the biceps tendon disorders.

This test may be negative with partial or complete rupture of the supraspinatus tendon.

How it’s Performed?

Yergason Sign

What does a positive Yergason Sign mean?

Sensitivity & Specificity

A Prospective blinded study by Richard Holtby1 to assess the accuracy of the Speed’s and Yergason’s tests in detecting biceps pathology, he found that the sensitivity and specificity of Yergason test was as following:

See Also: Speed Test

Related Anatomy

Biceps brachii Muscle

Biceps brachii Muscle had two heads (Short head and long head)

Reference

  1. Richard Holtby, Helen Razmjou: Accuracy of the Speed’s and Yergason’s tests in detecting biceps pathology and SLAP lesions: comparison with arthroscopic findings. 2004 Mar;20(3):231-6. doi: 10.1016/j.arthro.2004.01.008. PMID: 15007311.
  2. Campbel’s Operative Orthopaedics 13th Book
  3. Clinical Tests for the Musculoskeletal System 3rd Edition.
  4. Dutton’s Orthopaedic Examination, Evaluation, And Intervention 3rd Edition.

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