What is the acromioclavicular articulation?

Gray’s Anatomy (1918) describes the acromioclavicular articulation as follows: The acromioclavicular articulation is an arthrodial joint between the acromial end of the clavicle and the medial margin of the acromion of the scapula.

What it is

  • The acromioclavicular articulation is an arthrodial joint between the acromial end of the clavicle and the medial margin of the acromion of the scapula. Its ligaments are: The Articular Capsule. The Articular Disk. The Superior Acromioclavicular. The Coracoclavicular {Trapezoid and Conoid. The Inferior Acromioclavicular. The Articular Capsule ( capsula articularis; capsular ligament ).
  • —The articular capsule completely surrounds the articular margins, and is strengthened above and below by the superior and inferior acromioclavicular ligaments.

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Last verified: 2026-07-18

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