Why Do Collarbones Break So Easily? #physics Collarbones, also known as clavicles, play a crucial role in the human body as shock absorbers. These long, slender bones run horizontally across the upper part of the chest, connecting the sternum (breastbone) to the shoulder blades. The collarbones act as a critical link between the upper limbs and the axial skeleton, providing stability, support, and protection. One of their key functions is to absorb and distribute shock or impact forces that occu