Patients: 60 patients (mean age, 26 y, 87% men) with traumatic anterior instability of the shoulder, no shoulder symptoms or surgery before the first traumatic dislocation, ≤4 episodes of anterior dislocation of the shoulder, no clinical evidence of multidirectional instability, and radiological evidence of ≤30% loss of substance of the humeral head. All patients underwent arthroscopy to confir...