Shoulder Dislocation

It is a disruption of the joint capsule of the major shoulder joint (the glenohumeral joint).

It is caused by a sudden jolt to the shoulder joint, usually in a rugby tackle or heavy fall. The socket of the shoulder joint (glenoid) is quite shallow, so the shoulder is not as stable as other joints like the hip.

If you have dislocated your shoulder you will usually have pain – because of tearing of the joint capsule, there is severe pain when it first occurs.

Repeat dislocations are usually less painful or dramatic.

The shoulder will be stiff when it is dislocated out of the socket, movement is very restricted.

When the doctor looks at your shoulder it will look deformed – there is usually a loss of the usual shape of the shoulder. In very muscular people, the deformity may be hard to see.

Shoulder movement is very restricted.

Occasionally there may be numbness of an area of skin over the shoulder, plus weakness of shoulder movement. This suggests that the axillary nerve around the shoulder has been stretched during the dislocation.

[saraahmed-ffju]

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