A background to the shoulder joint
Common shoulder injuries, what are they? Before we get on to that, let’s discuss the shoulder joint.
Your shoulders are incredibly versatile. They are also the most mobile joint in the body.
It joint forms where the humerus (the bone in the upper arm) fits into the shoulder.
As you may remember from school, it is a ball and socket joint. More specifically, the humerus head, acting as the ball, fits into the end of the scapula known as the glenoid, the socket.
This allows the arm to not only move away from and back towards the body, but also allows it to move in a circular motion. This quality of the joint makes humans particularly adept at movements such as throwing.
But the shoulder joint is also vulnerable to injury …