Of the shoulder injuries in trauma, none are more common than those involving the acromioclavicular joint. There are many procedures described for treatment of injuries of the acromioclavicular separation but difficulties continues to be encounted. To know the functional anatomy of this joint and mechanism of injuries makes more proper treatment. We operated the 16 cases of acromioclavicular separation in the Dept of Orthopedic Surgery, Kyung Hee College of Medicine from January 1975 to August 1978. The following results were obtained. 1. This injuries is more prevalent in male with peak incidence in the third and fourth decades. 2. The mechanism of injuries were traffic accident, falling down and the other direct injuries with in orders. 3. The difference of distance between coracoid process and clavicle gives the information of Type II and Type III. 4. The operative procedures in Type II and Type III are good treatment of acromioclavicular separation.
Accidental Falls ; Accidents, Traffic ; Acromioclavicular Joint ; Clavicle ; Humans ; Incidence ; Joints ; Male ; Orthopedics ; Shoulder ; Surgical Procedures, Operative