PAL Physiotherapy provides Best Physiotherapy Treatment for Frozen Shoulder Facts about Frozen Shoulder 1) Frozen shoulder adversely affects the shoulder, makes your shoulder joint capsule to shrink and thickens the capsule to about 5 mm, which gradually leads to pain and stiffness in the shoulder. 2) Shoulder capsule, the soft tissue around your shoulder joint plays a key role in keeping the humerus within the shoulder socket. Thus, changes in the capsule results in its abnormal function. https://www.palphysiotherapy.com/treatments/frozen-shoulder