You can prevent shoulder, neck and back pain by maintaining a good posture, doing routine moderate exercises, eating a healthy diet and avoiding prolonged sitting.
Stretching and strengthening exercises such as shoulder circles, chest expansion, downward dog pose, seated twist and across-the-rolls stretch.
A dislocated shoulder is an injury in which the upper arm bone of the shoulder joint pops out of its socket. A dislocated shoulder can cause pain, stiffness, swelling and inability to move the shoulder.