Review Question - QID 220111

A 49-year-old amateur golfer presents with 3 months of pain in his leading shoulder that is worse with the follow-through phase of his swing. On exam in the office he has pain with resisted motion of the shoulder in 90° of flexion, 15° of horizontal adduction, and internal rotation that is not relieved when the shoulder is brought into neutral rotation. He has 5/5 strength with motor testing of his supraspinatus, infraspinatus, and subscapularis. Positive physical exam findings include pain with Jobe and Speed's testing. Radiographs taken of his symptomatic shoulder are shown in Figures A-C. Which of the following represents the next best step in his treatment?