Acromioclavicular Joint Disorders
Original Editors - Mathilde De Dobbeleer
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Search Strategy[edit | edit source]
Databases searched: Pubmed, Pedro and Web of Knowledge
Keywords searched: Acromioclavicular Joint, Physiotherapy, Treatment, Examination, Dysfunction
Definition/Description[edit | edit source]
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Clinically Relevant Anatomy[edit | edit source]
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Epidemiology /Etiology[edit | edit source]
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Characteristics/Clinical Presentation[edit | edit source]
Acromioclavicular injuries are frequent in contact sports: in American football, rugby and ice hockey but also by alpine skiing, snowboarding and bicycling. [1] [2] AC -joints often occur when falling on the shoulder, collision whit another player or while being tackled. During the fall will the shoulder hit the ground and the scapulae will be pushed down. The clavicle can only partially follow this movement and there will be a great deal of strain on the ligaments causing them to rupture or dislocation due to market.
There may prevent different injuries at the acromioclavicular joint. These are often divided into three groups, this classification is the most common.
o Type I: In a type I is a partial injury to the joint capsule. Paired whit an incomplete tear of the acromioclavicular
ligaments and joint capsule.
o Type II: A type II injury is a moderate injury. A partial tear of the ligament coracoclavicular (ligament between
coracoideus and clavicle) with a rupture of the capsule and the acromioclavicular ligament. Often described as a
subluxation.
o Type III: A type III injury is a severe injury. Complete rupture of the acromioclavicular ligament but also the
coracoclavicular ligament. This can lead to displacement of the clavicle and are therefore very unstable.
This is often described as a dislocation.
Type III dislocation problems, which are very complex and therefore further divided into 3.
o Type IV: Dislocation with posterior dislocation of the clavicle.
o Type V: Dislocation whit severe upward displacement of the clavicle into or through the Trapezius.
o Type VI: This is a rare injury. Dislocation of the clavicle inferiorly, locked under the coracoids process.
Rockwood classification [3]
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References[edit | edit source]
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- ↑ Webb J, Bannister G. Acromioclavicular disruption in first class rugby players. Br J Sport Med. 1992;26:247-248.
- ↑ Kelly BT, Barnes RP, Powelle JW et al. (2004) Shoulder injuries to quarterbacks in the National Football League. Am J Sports Med 32(2):328–331
- ↑ Rockwood CA Jr, Young DC. Disorders of the acromioclavicular joint. In: Rockwood CA Jr, Matsen FA Hi, eds. The Shoulder. Philadelphia, PA: WB Saunders; 1990:413-476.
