Sagittal ultrasound image greater tuberosity

Sagittal image over the greater tuberosity demonstrating the superior (small white arrows) and middle facets (large white arrows). The anterior 1.5 cm of supraspinatus tendon (SS) inserts on the superior facet, while the posterior 0.5 to 1 cm of the SS overlaps with the infraspinatus (IS) tendon (SS-IS Overlap) insertion on the middle facet.