Dynamic ultrasound (US) image of the infraspinatus muscle and tendon in short-axis. The transducer is being glided from medial to lateral, ending at the infraspinatus tendon insertion on the middle facet of the greater tuberosity of the humeral head.
D: deltoid; IS: infraspinatus; CEPH: cephalad; HH: head of the humerus bone. 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.
