UCSD Musculoskeletal Radiology


MSK Classifications


ACJ separation grading - Rockwood.


    1. ACJ lig sprain with minimal change in height.


    2. ACJ lig tear with widened joint.

    3. Clavicle 1 bone width superiorly displaced, disrupted CC ligs.



    4. As above with posterior displaced clavicle.


    5. As 3, with marked superior displacement.


    6. Inferiorly displaced clavicle, either subacromial or subcoracoid.