AC Joint Lesion

Question 1

Rockwood I

Answer 1

AC sprain : conservative treatment

Question 2

Rockwood II

Answer 2

AC torn, CC sprain (conservative ttt)

Question 3

Rockwood III

Answer 3

AC torn, CC torn, increased CC distance < 25% (ttt controversial)

Question 4

Rockwood IIIA

Answer 4

vertically instable, horizontally stable (conservative ttt)

Question 5

Rockwood IIIB

Answer 5

vertically and horizontally instable (operative ttt)

Question 6

Rockwood IV

Answer 6

displaced posteriorly through trapezius (operative ttt)

Question 7

Rockwood V

Answer 7

increased CC distance > 100% of contralateral (operative ttt)

Question 8

Rockwood VI

Answer 8

inferior dislocation subacromial or subcoracoid (operative ttt)