AP shoulder

Question 1

• Which rotation of the Humerus will demonstrate the greater tubercle in profile? Where will it be seen?

Answer 1

External
Seen laterally

Question 2

• Which rotation of the Humerus will demonstrate the lesser tubercle in profile? Where will it be seen?

Answer 2

Internal rotation
Seen Medially

Question 3

• When the Humerus is in external rotation, what’s the relationship between the humeral epicondyles and the IR?

Answer 3

Parallel

Question 4

• When the Humerus is in neutral rotation, what’s the relationship between the humeral epicondyles and the IR?

Answer 4

45 degrees

Question 5

• When the Humerus is in internal rotation, what’s the relationship between the humeral epicondyles and the IR?

Answer 5

Perpendicular

Question 6

• What’s the central ray location for all AP projections of the shoulder?

Answer 6

1” inferior to coracoid process