Top Washington D.C., Maryland, and Northern Virginia Orthopedic Surgeons Specializing in Shoulder Dislocation
The shoulder is a ball-and-socket joint. The ball of your upper arm bone fits into a socket in your shoulder blade. If the ball slips out, your shoulder has "dislocated."
What is a dislocated shoulder?
This detailed video describes a dislocated shoulder, including its causes, symptoms, and treatment. A dislocated shoulder causes pain. You may not be able to move your arm. Your shoulder may swell or bruise, and you may see a bump under your skin where the ball has shifted.