The Glenohumeral Joint Space Is Demonstrated as an Open Space

Multiple Choice

The glenohumeral joint space is demonstrated as an open space on a(n)
1) inferosuperior axial shoulder projection.
2) transthoracic lateral shoulder projection.
3) AP oblique shoulder projection (Grashey method) .
4) PA oblique scapular Y shoulder projection.

A) 1 only
B) 1 and 3 only
C) 2 and 3 only
D) 1, 2, 3, and 4