| I thought I should do a short article of what exactly is | | | | The Gleno-humeral joint on the other hand is where |
| the rotator cuff anatomy. Hopefully this will help people | | | | the shoulder blade meets the arm bone, the humerus. |
| understand how to prevent common injuries to the | | | | This joint is what most people think about when they |
| shoulder. | | | | think of the shoulder. It includes the glenoid fossa which |
| There are four points in the shoulder where bone | | | | is the depression into which the ball of the upper arm |
| meets bone. Two of these cause most of the | | | | bone fits. This is a ball and socket joint. The muscles |
| problems with exercisers. The A/C joint and the | | | | and tendons in this area are what keep the bones in |
| gleno-humeral joint.. | | | | the correct position. |
| A/C Joint | | | | There are many muscles that cause movement of the |
| The A/C joint is where the shoulder blade meets the | | | | shoulder and make up the rotator cuff anatomy. Most |
| collarbone. These two bones are held together by only | | | | of these muscles are responsible for more than one |
| a ligament. With too much pressure or a large impact, | | | | movement. An example of this is the bicep. It is used |
| you can stretch or tear this ligament allowing the | | | | for flexing the arm, but it also assists in raising the arm |
| bones to seperate. This is what happens when | | | | forward. Other muscles involved in shoulder |
| someone separates their shoulder. | | | | movements include the shoulders(duh), chest, triceps, |
| Gleno-humeral Join | | | | and the lats. |