Manipulation under anesthesia for frozen shoulders : a retrospective cohort study.

MUA, manipulation under anesthesia ; FS, frozen shoulder ; SPADI, Shoulder Pain and Disability Score ; OSS, Oxford Shoulder Score ; NPRS, Numeric Paind Rating Scale. Manipulation under anesthesia is a well-established, but controversial, treatment for frozen shoulders. We will evaluate our results of manipulation and physiotherapy in stage two frozen shoulders.