A dislocation is when two connected bones separated. Dislocation are caused by falls and hard impacts, such as in sports injuries and are more common in teens than young children. 
A joint is where two or more bones come together. A joint may be dislocated if it is :swollen, bruised or red, painful, difficult to move, out of place. 
A dislocations occurs when a bone slips out of a joint. For example, the top of your arm bone fits into a joint at your shoulder, when it slips or pops out of that joint, you have a dislocated shoulder. You can dislocate almost any joint in your body, including your knees, hips, ankle or shoulder. 
DIAGNOSIS 
Besides examing your injury, your doctor might order the following :
X-ray, an X-ray of your joints is used to confirm the dislocation and may reveal broken bones or other damage to your joint. 
MRI: This can also help your doctor assess damage to the soft tissue structures around a dislocated joint. 
TREATMENT 
Treatment of the dislocation depends on the site and severity of your injury. It might involve.
Reduction :Your doctor might try gently maneuver to help your bones back into position. Depending on the amount of pain and swelling, you might need a local anesthetic or even a general anesthetic before manipulation of your bones. 
Shoulder joint dislocation is often seen with gleno-humeral joint. Shoulder joint separation is either partial or complete. Partial separation is known as duplication and complete separation is known as dislocation. 
Dislocation is a breakage of link between humerus and glenoid socket of scapula. Shoulder joint dislocation because shoulder joint has a wide range of movement and is used extensively during daily activities. ![IMG_20180429_144420.jpg](https://steemitimages.com/DQmXeYFd8rxhR3JcDiGxXVdd94mAyi6dwWX2Y3vNY8mCgVf/IMG_20180429_144420.jpg)![IMG_20180429_144452.jpg](https://steemitimages.com/DQme3of7uAMgn1n1se8HQM1STRGE9PZp7tNZUKoUZ9Fw1cZ/IMG_20180429_144452.jpg)