Posterior Shoulder Instability: A Clinical Review.

Posterior shoulder instability has emerged as an increasingly prominent concern for surgeons treating shoulder pathology. Previously estimated to account for only 5% to 10% of cases in the general population, it is now recognized that the true incidence is likely underestimated. This growing recognition highlights the need for tailored treatment strategies. Surgical patients without osseous involvement can achieve successful outcomes with arthroscopic labral repair, while those with glenoid bone loss exceeding 13.5% may benefit from procedures designed to restore glenoid bone width.