<prompt> The lesions associated with recurrent dislocation of shoulder include all, exceptHill-Sachs lesionBankas lesionCapsular laxitySupraspinatus tear  <response>: No single deformity is responsible for recurrent dislocation of shoulder.Three impoant reasons have bee cited and they have been called the essential lesions. TRIAD OF ESSENTIAL LESION: 1.Hill-Sachs lesion: Depression on humeral head in its posterolateral quadrant 2.Banka;s lesion : Dislocation causing stripping of the glenoidal labrum 3.Capsular laxity Ref: Maheshwari and Mhaskar 9th ed pg 90. 