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Arthroscopic Posterior Bone Graft for Posterior Instability: The Transrotator Interval Sparing Cuff Technique

Posterior glenoid augmentation with a bone graft is sometimes required in the management of posterior shoulder instability. We describe a new arthroscopic technique that consists of passing the graft through an anatomic portal: the rotator interval. This approach diminishes the damage on posterior structures. We believe that this less invasive approach might allow earlier motion recovery and reduce the complications related to an extensive or blind posterior approach. Clinical relevance: New technique relevant to arthroscopic management of posterior glenohumeral instability.