Normal Anatomy of the Shoulder Joint
How does the Shoulder joint work?
The rotator cuff is a major group of tendons in the shoulder joint providing support and enabling a wide range of motion. Major injury to these tendons can result in a tear know as a rotator cuff tear.
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Shoulder impingement is also called swimmer’s shoulder, tennis shoulder, or rotator cuff tendinitis. It is a condition of inflammation of the tendons of the shoulder joint, caused by motor vehicle accidents, trauma, or playing sports such as tennis, baseball, swimming or weight lifting.
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Frozen shoulder is a condition that limits shoulder movements because of pain and inflammation. It is also called adhesive capsulitis, and may progress to where an individual may find moving the shoulder very difficult.
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Shoulder joint replacements are usually done to relieve pain when non-operative treatment to relieve pain is unsuccessful.
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Shoulder instability is a chronic condition that causes frequent dislocations of the shoulder joint. A dislocation occurs when the end of the humerus (the ball portion) partially or completely dislocates from the glenoid (the socket portion) of the shoulder. A partial dislocation is referred to as a subluxation whereas a complete separation is referred to as a dislocation.
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Click on the topics below to find out more from the Orthopedic connection website of American Academy of Orthopaedic Surgeons.