Most wrist fractures involve a fracture of the ends of the forearm bones – called the radius and the ulna. At the wrist the radius is much bigger, and is the most commonly injured of the two bones, although a fracture of both bones is...
The clavicle (also known as a collarbone) acts as a splint, connecting the shoulder to the sternum (breastbone). It has muscles attached to it, and also helps to protect some of the large blood vessels / nerves that travel underneath it to the arm....