Trendelenburg's sign

Trendelenburg's sign
Positive Trendelenburg's sign (on right)
Differential diagnosis	paralyzed abductor muscles

Trendelenburg's sign is found in people with weak or paralyzed abductor muscles of the hip, namely gluteus medius and gluteus minimus.^[1] It is named after the German surgeon Friedrich Trendelenburg. It is often incorrectly referenced as the Trendelenburg test which is a test for vascular insufficiency in the lower extremities.