Effect over the stability of acromioclavicular and coracoclavicular ligament on acromioclavicular joint dislocation using a cadaver model

Dislocation of the acromioclavicular joint (ACJ) leads to upper clavicular instability when the acromioclavicular ligament (AC) and coracoclavicular ligaments (CC) are torn. Surgery is indicated for Rockwood classification of dislocations type 3 or higher. Although CC reconstruction alone has been used previously, posterior instability is possible. AC reconstruction is essential for overall stability and has been shown to increase posterior stability. Previous biomechanical studies on ACJ stability were conducted on dissected bones, muscles, and ligaments using AC or CC resection.

Source: Journal of Shoulder and Elbow Surgery - April 11, 2024 Category: Orthopaedics Authors: Fumiya Hattori, Eiko Hashimoto, Shohei Ise, Kenta Inagaki, Yu Hiraoka, Taro Akiyama, Fumihide Terakawa, Nobuyasu Ochiai Source Type: research