The collarbone, or clavicle, is a long, S-shaped bone between your sternum (breastbone) and scapula (shoulder blade). You ...

The acromioclavicular (AC) joint is a joint between your clavicle and the outermost edge of your scapula (shoulder blade). Ligaments hold these two bones together. There is also a flexible ...

Possible causes of pain in the shoulder blade include sleeping in an uncomfortable ... to the top of the arm at the shoulder joint and the clavicle, at the acromioclavicular joint.

Ball and socket joint. Articulating bones are humerus and scapula (the clavicle is not part of the shoulder joint). Allows a great range of movement in all directions. Many muscles are used to ...