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Arm Injuries - Types
Skeletal ModelJohns Hopkins University

Shoulder

In order to understand the types of shoulder injuries athletes can experience, I think it's important to understand the anatomy of the shoulder first. Go to the shoulder anatomy page to see diagrams and videos of the shoulder's bones, ligaments and muscles.

Common Types of Shoulder Injuries
• Posterior Capsular Tightness
The posterior inferior glenohumeral ligament in the shoulder socket gets tight. This is ligament "A" is this diagram.
• Little League Shoulder
The growth plate on the upper end of the humerus bone pulls apart. It's basically like having shin splints in your shoulder.
• Impingement Syndrome
One of the rotator cuff tendons gets caught between the two bones of the shoulder joint (humerus and acromion) when raising the arm above the head.
• Rotator Cuff Tear
The four major muscles that stabilize the shoulder become irritated from overuse. If untreated, a hole or tear can develop.

Dr. David Marshall Explains the Little League Shoulder Injury

 

Elbow
As with shoulder injuries, elbow injuries can come in many forms. Go to the elbow anatomy page to see diagrams and videos of the elbow's bones, ligaments and muscles.

Common Types of Elbow Injuries
• Little League Elbow
• Medial Collateral Ligament Tear (Tommy John Injury)

Dr. David Marshall Explains the Little League Elbow Injury

 





Posterior Capsular Tightness - Little League Shoulder - Impingement Syndrome - Rotator Cuff
Little League Elbow - Tommy John Injury
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