Figure 2

The subacromial release procedure in interventional microadhesiolysis for adhesive capsulitis of the shoulder. (a) A Round Needle inserted at the superior scapular spine of the shoulder beneath the acromion on the surface of the supraspinatus muscle in a human skeleton model; (b) A Round Needle inserted in a patient; (c) The position of the Round Needle inserted in the patient could be identified on fluoroscopy; (d) The injection of diluted triamcinolone acetonide (0.4 mg/ml) after completion of the release to prevent readhesion.