Ultrasound-Guided Glenohumeral Joint Injection using a Modified Posterior Approach.

Glenohumeral joint injections serve diagnostic and therapeutic purposes in a wide spectrum of shoulder disorders. Various techniques have been described, depending on the injection site, needle orientation and utilisation of image or landmark-based guidance. The accuracy of needle placement and clinical effectiveness vary by the injection route and the method of guidance and largely depend on operator's expertise, clinical indication and patient's profile. Herein, we describe an alternative ultrasound-guided glenohumeral joint injection technique through a modified posterior approach for routine use in clinical practice.