| Introduction | | | | sport or action. They affect both male and |
| | | | females athletes and non-athletes alike. The |
| The shoulder is a fascinating joint. It | | | | following guidelines in this article will |
| allows us to manipulate objects in an | | | | help to prevent the possibility of developing |
| infinite number of directions at various | | | | a shoulder injury due to overhead sports, |
| speeds. The shoulder is the most mobile | | | | poor posture and improper weight |
| joint in the body and provides many degrees | | | | training.Anatomy |
| of motion. This freedom of motion allows us | | | | |
| to reach high and low, far and near for | | | | The shoulder complex is made up of four |
| objects in space. The large amount of | | | | joints. The glenohumeral joint, |
| shoulder mobility does not come without a | | | | acromioclavicular joint, sternoclavicular |
| price. Increase in shoulder or (Glenohumeral | | | | joint and the scapulothoracic joint. Aside |
| Joint) mobility leads to a decrease in the | | | | from these joints, there are other anatomical |
| stability of the joint. When a joint is | | | | structures that play a large role in normal |
| unstable, it is more likely to suffer an | | | | shoulder function. These include the |
| injury. The most common injury to the | | | | cervical spine (neck), thoracic spine (upper |
| shoulder is from a repetitive movement on an | | | | back), clavicle and ribs. If any one of |
| unstable joint. This movement can vary from | | | | these structures is not functioning properly, |
| typing at a computer with poor posture to an | | | | they will have a direct negative impact on |
| unstable tennis or golf swing. Shoulder | | | | the shoulder complex. |
| injuries are not discriminatory to a specific | | | | |