External and internal rotation views of the shoulder

Case contributed by Matt A. Morgan
Diagnosis not applicable

External rotation of the humerus. Clips in the right axilla.

Diagram of the external rotation humerus view of the shoulder. 

The red arrow points to the greater tubercle of the humerus in profile. The red shaded oval is the overlap between the humeral head and the glenoid.

The humerus is internally rotated in this patient.

Diagram of internal rotation of the shoulder.

The red arrow points to the lesser tubercle of the humerus in profile. The red shaded oval is the overlap between the humeral head and the glenoid.

Case Discussion

External rotation views and internal rotation views from two different patients.

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