If a patient exhibits posterior separation of the clavicle with complete disruption of the acromioclavicular ligament, what grade sprain was sustained?
A) Grade 2
B) Grade 3
C) Grade 4
D) Grade 5
E) Grade 6

Question

Quizplus · Accepted Answer

A Grade 4 acromioclavicular (AC) joint sprain involves a posterior separation of the clavicle with complete disruption of the acromioclavicular ligament, distinguishing it from other grades by the direction and extent of the displacement.

If a Patient Exhibits Posterior Separation of the Clavicle with Complete