Acromioclavicular Joint

This is a supplement to page 13-14 of The Resident’s Manual of Ultrasound-Guided Procedures. Get the book here.

The supraspinatus is visible through the acromioclavicular joint.

This is a video of my shoulder as I partially abduct repetitively. You can distinguish the supraspinatus muscle easily, as well as the hyperechoic bony floor of the superior scapula—the supraspinatus fossa.