US long head biceps brachii at intertubercular groove

Deltoid: deltoid muscle; LAT: lateral; GT: greater tuberosity; Arrows: transverse humeral ligament; Black oval: long head of the biceps brachii tendon; LT: lesser tuberosity; SSC: subscapularis tendon.
Left: lateral; Right: medial; Bottom of screen: deep; Top of screen: superficial.