Does This Patient With Shoulder Pain Have Rotator Cuff Disease?

Let's study about Rotator cuff syndrome.
Shoulder physical examinations

Among the tests for rotator cuff disease.
A positive painful arc test result and a positive external rotation resistance test result were the most accurate findings for detecting Rotator Cuff Disease.

The presence of a positive lag test( external or internal rotation) result was most accurate for diagnosis of a full-thickness rotator cuff tear.

#1.

Does this patient with shoulder pain have rotator cuff disease?: The Rational Clinical Examination systematic review.