👉 The term "sub-clavicular" is often used in medical terminology to describe a structure that is located between two clavicles, which are the main muscles of the neck. The clavicles are made up of three bones: the clavicle (a long bone), the scapula (the upper part of the shoulder), and the clavius (a small muscle). Between these three bones, there is a space called the subclavian or supraclavicular cavity,
