The External Rotation Lag Sign (ERLS), described by Hertel et al in 1996, has been widely accepted as a valid test for the diagnosis of tears involving at least the infraspinatus muscle.

External Rotation Lag Sign | Full Thickness Rotator Cuff Tears Physiotutors 972K subscribers Subscribed

The Lateral/External Rotation Lag Sign also known as Infraspinatus Spring Back Test assesses for pain or weakness of the supraspinatus, infraspinatus and teres minor muscle.

Feb 20, 2025 · External Rotation Lag Sign is used to check for the integrity of the infraspinatus and teres minor tendons of the shoulder rotator cuff. It’s called “Spring-Back” Test.

2 days ago · With the patient’s elbow flexed to 90° and positioned at the side, the examiner passively moves the arm into maximal external rotation and instructs the patient to hold it.

The External Rotation Lag Sign test is used to identify supraspinatus or infraspinatus tears, specifically, full thickness tears. To perform the external rotation lag sign test, the patient …

Aug 1, 2025 · Learn how to perform and score the External Rotation Lag Sign test for rotator cuff tears.

A positive external rotation lag sign is the clinical test most likely to indicate that full-thickness tears of the supraspinatus and infraspinatus are present (specificity, 94%).

Apprehension test performed by bringing the arm in 90 degrees of abduction and full external rotation and patient experiences sense of instability. Relocation test performed by placing …

This video demonstrates the External Rotation Lag Sign, a clinical test used to assess the integrity of the supraspinatus and infraspinatus tendons within the rotator cuff. ...more