Match the following humeral epicondyle–IR alignments with the appropriate resulting tubercle visualization on an AP shoulder projection

a. 45 degrees with IR
b. Perpendicular to IR
c. Parallel with IR

1. Greater tubercle in partial profile

2. Lesser tubercle in profile medially

3. Greater tubercle in profile laterally

4. Humeral head in profile medially

1. ANS: A
2. ANS: B
3. ANS: C
4. ANS: C