Causes of shoulder pain depends on the injured structure within the shoulder joint. Symptoms gives us a clue to what structure might be injured.
A shoulder muscle strain can also be called a shoulder muscle tear or a pulled muscle. Ask our Shoulder muscle expert
The shoulder joint is the most mobile joint and because of how freely it can move is also the least stable joint. Shoulder joint pain can originate from various structures inside and around your shoulder joint.
Up to 90% of shoulder joints dislocate to the front and can cause a bulge in the front part of the shoulder.