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The coracoclavicular (CC) ligament is the major vertical stabilizing factor of the acromioclavicular joint.
- conoid ligament
- origin: trapezoid ridge on the coracoid process of the scapula
- runs laterally and horizontally, attaching to the underside of the clavicle (to the similarly named, trapezoid ridge)
The integrity of the CC ligament is inferred on plain radiographs by the coracoclavicular distance.