A long axis ultrasound (US) image of the long head of the biceps brachii tendon is shown above.
Deltoid: deltoid muscle; Black and white arrows: long head of the biceps brachii tendon; Humerus: 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.