How To Inject a Subacromial Bursa By Alexandra Villa-Forte, MD, MPH, Cleveland Clinic Reviewed / Revised Apr 2023 View Patient Education Indications Contraindications Complications Equipment Additional Considerations Relevant Anatomy Positioning Step-by-Step Description of Procedure Aftercare Warnings and Common Errors Tips and Tricks Reference Topic Resources Shoulder anatomy (anterior... Subacromial bursal injection is the process of injecting anesthetics and / or corticosteroids in or around the subacromial bursa to help treat bursitis.