A dislocated shoulder occurs when the upper arm bone pops out of the socket. This page introduces basic shoulder anatomy.
- Bones of the shoulder include:
Socket of the shoulder blade (scapula)
Ball at the end of the upper arm bone (humerus)
Image: http://www.shoulderdoc.co.uk/article/1177
- The rotator cuff (made up of four muscles) reinforces the
shoulder joint from above, in front, and in back:
Supraspinatus, infraspinatus, teres minor, and subscapularis
Image: http://instreetclothes.com/2015/01/22/understanding-kobe-bryants-rotator-cuff-injury-uncertainty-brings/
The glenohumeral joint is one of the most commonly dislocated joints. Dislocated shoulders tend to occur more often in males than in females (potentially due to association with contact sports).
Men: the peak age is 20-30 years
Women: the peak age is 61-80 years (due to susceptibility to falls)
Men: the peak age is 20-30 years
Women: the peak age is 61-80 years (due to susceptibility to falls)