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The coracoclavicular ligament connects the clavicle to the coracoid process of the scapula. [1] It is not part of the acromioclavicular joint articulation, but is usually described with it, since it keeps the clavicle in contact with the acromion. It consists of two fasciculi, the trapezoid ligament in front, and the conoid ligament behind. [2]
The most common mechanism of injury is a fall on the tip of the shoulder or also a fall on an outstretched hand. In falls where the force is transmitted indirectly, often only the acromioclavicular ligament is affected, and the coracoclavicular ligaments remain unharmed. [6]
The coracoclavicular ligament serves to connect the clavicle with the coracoid process of the scapula. [4] It does not properly belong to the acromioclavicular joint articulation, but is usually described with it, since it forms a most efficient means of retaining the clavicle in contact with the acromion. It consists of two fasciculi, called ...
The coracoacromial ligament may impinge and compress rotator cuff muscle or tendon. [3] It may be damaged during a shoulder injury. [4] The attachment of the coracoacromial ligament may be moved from acromion to the end of the clavicle when reconstructing the acromioclavicular joint. [5] [6] This often fails. [5]
The Weaver–Dunn procedure is a type of surgery involved in the treatment of severe separated shoulders developed by James K. Weaver and Harold K. Dunn in the early 1970s. [1] The procedure is done to replace the coracoclavicular ligaments with the coracoacromial ligament. [2]
Conoid ligament (the medial part of the coracoclavicular ligament) conoid tubercle: Inferior surface: Trapezoid ligament (the lateral part of the coracoclavicular ligament) trapezoid line: Anterior border: Pectoralis major muscle: medial third (rounded border) Posterior border: Sternocleidomastoid muscle (clavicular head) superiorly, on the ...
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The onset of the pain may be acute if due to an injury or insidious if due to a gradual process such as an osteoarthritic spur. The pain has been described as dull rather than sharp, and lingers for long periods of time, making it hard to fall asleep. [2] Other symptoms can include a grinding or popping sensation during movement of the shoulder ...