(A) The Axillary Lateral x-Ray View. Ideally, the Arm is Abducted 70 to 90 Degrees and the Beam is Directed Superiorly Up to the x-Ray Cassette. (B) Trauma Axillary Lateral x-Ray Positioning.

(From JawaA, RicchettiET. Glenulohumeral instability. In: Court-BrownCM, KeckmanJD, McQueenMM, et al., eds. Rockwood and Green’s Fractures in Adults. Vol 1. 8th ed. Philadelphia: Wolters Kluwer Health; 2015:1503–1571.)