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Back| Type I | Injury to the acromioclavicular ligament, intact coracoclavicular ligament, acromioclavicular joint remains stable |
| Type II | Rupture of the acromioclavicular ligament, injury to the coracoclavicular ligament, often leading to subluxation |
| Type III | Complete rupture of the acromioclavicular joint capsule and coracoclavicular ligament, with a 25% to 100% increase in the coracoclavicular distance |
| Type IV | Type III with coracoclavicular ligament avulsed from the clavicle, along with posterior displacement of the distal clavicle into or through the trapezius |
| Type V | Type III with a 100% to 300% increase in the coracoclavicular distance |
| Type VI | Type III with inferior displacement of the distal clavicle beneath the coracoid process or acromion |
Explanation
Compared to the Allman classification, the Rockwood classification focuses more on the pathoanatomy, providing better guidance for clinical treatment.
