In 1943 Caldwell 41 reported 2 cases of chronic complete acromioclavicular dislocation treated by fusion of the acromioclavicular joint with good results at twelve months and five months ...

AC joint injury in a bull rider, for example, might be an incident in which the bull rider lands on the shoulder, separating the AC joint and tearing the ligaments of the acromioclavicular joint.

The management of acromioclavicular joint dislocations has evolved considerably, with treatment strategies principally guided by the severity of injury as determined by the Rockwood Classification ...

Mechanical trauma of the acromioclavicular (AC) joint can result in the rupture of the ligament complex extending between the acromion, the clavicle and the coracoid process. Corresponding to the ...

A 23-year-old Junior-A hockey player presents with a grade III acromioclavicular (AC) joint dislocation. His question is: "Doc, can I play the season?" (Figure 1). A radiograph demonstrates that ...

The researchers performed the flipptack fixation button technique on 50 patients with acromioclavicular joint separations. Twenty-nine patients had type IV dislocations and 21 had type V dislocations.

Demonstrated in this video is the patient dislocating the joint anteriorly with minimal elevation of his shoulder by contracting his trapezius, which reduces with an audible clunk with relaxation.

There is no clear evidence that operative treatment improves short-term outcome for complete acromioclavicular (AC) joint dislocation.

Complete dislocation at the acromioclavicular joint is not invariably associated with avulsion of the coronoid and trapezoid ligaments, or as Dr. Bosworth calls them, the "coracoclavicular ...

Background: The acromioclavicular joint (ACJ) is one of the more common sites of shoulder girdle injury, accounting for 4–12% of all such injuries, with an incidence of 3–4 cases per 100 000 ...