Clinical Study

The Ultrasonographic Features of Shoulder Pain Patients in a Tertiary Hospital in South China

Figure 3

Ultrasound images of A-C joint in healthy (a) and painful (b) shoulders. A-C joint in healthy shoulder (arrow). In A-C joint degeneration and sprain, joint hyperosteogeny and capsular swelling can be observed (arrowhead).
(a)
(b)