👉 "Postclavicular" is a medical term used to describe the area of the shoulder joint where the clavicle meets the collarbone. This space is often referred to as the "posterior iliac fossa," and it plays an important role in the movement of the shoulder, including its ability to rotate and extend the arm. The postclavicular space can be accessed through various surgical procedures, such as arthroscopy or laparoscopic surgery, which involve opening the skin and