S43: Dislocation, sprain and strain of joints and ligaments of shoulder girdle
S43.2: Dislocation of sternoclavicular joint
There are 3 bones and 2 joints in the shoulder area. The bones are the collarbone, the shoulder blade, and the humerus. The shoulder joint connects the humerus to the shoulder blade. A second joint connects the shoulder blade to the collarbone. The collarbone is also connected to the sternum by another joint.
The shoulder is only connected to the chest by a joint between the collarbone and the sternum. The sternum is a flat bone at the front of the chest. In your case, the sternum and the collarbone are not properly aligned.
This may result in pain. It may also be that you are no longer able to move your arm properly.
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