US long head biceps brachii at musculotendinous junction
US long head biceps brachii at musculotendinous junction
Black circle: long head of the biceps brachii; Arrows: pectoralis major tendon; RT BT SAX: right biceps tendon short-axis; Humerus: humerus bone; Deltoid: deltoid muscle. Left: lateral; Right: medial; 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.