Ac Joint Dislocation Ppt

Clinical relevance acromioclavicular dislocation acromioclavicular joint dislocation also known as a separated shoulder occurs when the two articulating surfaces of the joint are separated.

Ac joint dislocation ppt. The powerpoint ppt presentation. Surgery versus sling for ac joint dislocations aaos now december 2012 maureen leahy study finds hook plate fixation is not superior to nonsurgical treatment for acute injuries dash scores better in non surgical group at 3 months and 6 months and same at 1 year and 2 years. What is a shoulder dislocation shoulder dislocation is when the head of the humerus separates from the scapula at the glenohumeral joint. A acromioclavicular joint injury otherwise known as a shoulder separation is a traumatic injury to the acromioclavicular ac joint with disruption of the acromioclavicular ligaments and or coracoclavicular cc ligaments.

Injuries of the clavicle acromioclavicular joint and sternoclavicular joint is the property of its rightful owner. This well known 6 type system is a modification of the earlier 3 class classification system described by allman 1967 2 and tossy 1963. It commonly occurs from a direct blow to the joint or a fall on an outstretched hand. Definitions epidemiology anatomic review mechanism of injury clinical evaluation classification of acromioclavicular dislocations management proper complications 2 3.

Features of acromioclavicular joint injury include 6. The top of the shoulder appears low and hollow so that they may prepare as if for dislocation of the shoulder. If the joint is normal then acromioclavicular alignment should remain normal and symmetric. Surgical intervention on a type iii injury would be contemplated see below 7.

The direction of the dislocation is determined by the position of the distal part. These are performed with the patient erect and holding a weight in the arm. T he acromioclavicular ac joint is a diarthrodial joint that serves as the point of articulation between the scapula and clavicle. Anon a 2009 5.

The rockwood classification 1998 is the most common classification system in use for acromioclavicular joint injuries 3. Acromioclavicular joint injuries james. 1 2 injuries to the ac joint are often caused by either a. Treatment is immobilzation or surgical reconstruction depending on the degree of separation and ligament injury.

It takes into account not only the acromioclavicular joint itself but also the coracoclavicular ligament the deltoid and trapezius. It is associated with joint soft tissue damage.