A shoulder separation is the partial or complete separation of two
parts of the shoulder: the collarbone (clavicle) and the end (acromion) of the
shoulder blade (scapula). A shoulder separation can be type I, in which the
acromioclavicular (AC) ligament is partially torn, but the coracoclavicular
(CC) ligament is not injured. In a type II shoulder separation, the AC ligament
is completely torn, and the CC ligament is either partially torn or not
injured. A type III shoulder separation occurs when both the AC and CC
ligaments are completely torn.
William H. Blahd, Jr., MD, FACEP - Emergency Medicine
William H. Blahd, Jr., MD, FACEP - Emergency Medicine & Patrick J. McMahon, MD - Orthopedic Surgery
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