Ultrasound (US) image of the infraspinatus tendon (infraspinatus) in short-axis at its insertion on the middle facet of the greater tuberosity of the humeral head (humerus).
Deltoid: deltoid muscle. Left: cephalad; Right: caudad; Bottom of screen: deep; Top of screen: superficial.
Courtesy of Jonathan Finnoff, DO. Used with permission of Mayo Foundation for Medical Education and Research. All rights reserved.
