This document discusses adhesive capsulitis or "frozen shoulder". It defines the condition as pain and loss of shoulder range of motion due to thickening of the shoulder joint capsule. It describes the stages and types of frozen shoulder and associated risk factors like diabetes. Symptoms include shoulder pain and stiffness. Treatment involves physiotherapy including range of motion exercises, stretching, joint mobilization and education. The goal is to improve shoulder function and reduce pain and stiffness over 12-18 months as the condition resolves.