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Yergason's test
System: Muscles, Bones & Joints Signs · All muscles, bones & joints signs
What it is — and how it is elicited
With the elbow bent to 90 degrees and tucked in, the patient tries to rotate the forearm outward against resistance; pain at the front of the shoulder is positive.
What a positive finding suggests
Associated with inflammation or instability of the long head of the biceps tendon.
◈ Behind the name
Robert Mosher Yergason (1885–1967), American orthopaedic surgeon.
Related signs — Muscles, Bones & Joints Signs
Browse the Y section of the A–Z list or return to the Clinical Signs hub.
Please note: This page is an educational reference about clinical examination signs. A clinical sign supports — and never replaces — a full clinical evaluation, examination and appropriate testing. A sign being present does not by itself prove a diagnosis, and an absent sign does not rule one out. If you have symptoms that worry you, see a health professional.