59F with symptoms of impingement to evaluate rotator cuff tear

Is this a Supraspinatus or Infraspinatus tendon tear?
Exaggerated external arm rotation is a bit confusing in the Cor and Sagittal plane.
Does the BLO help?  Click here:Yes, because the BLO is in plane with the long axis of the Infraspinatus, which is an external rotator and  appears taut in the BLO images with the arm in external rotation.
The tear is at the posterior insertion of the Supraspinatus. 

SLAP 3 tear and medial biceps pulley injury

SLAP 3 tear and medial biceps pulley injury (Habermeyer type 1)

29-year-old handball player with anterior shoulder pain, locking and snapping.

MR arthrography study shows thickening and irregularity of the medial aspect of the biceps pulley (coracohumeral and superior glenohumeral ligaments). Note also a longitudinal tear of the superior labrum ("bucket-handle" tear) best seen on coronal images.

Arthroscopic examination confirms the bucket-handle tear of the superior labrum associated with medial biceps pulley injury.

Treatment consisted of removal of the 'bucket-handle' segment,  biceps tenotomy, and tenodesis by arthroscopic transfer of the long head of the biceps tendon to the anterior aspect of the lateral conjoint tendon.