Select the Best Definition of a Hill-Sachs Lesion

Select the best definition of a Hill-Sachs lesion.

A) An impact fracture of the posterolateral aspect of the humeral head as a result of anterior shoulder instability
B) An avulsion of the capsule and glenoid labrum off of the anterior rim of the glenoid resulting from traumatic anterior dislocation of the shoulder
C) Formation of fibrous synovial adhesions causing the reduction of the joint cavity,pain,and inflammation
D) Partial tearing of the AC ligaments with no resulting joint instability or laxity of the ligament and minimal loss of function