Welcome to Shark Week: where frozen shoulder takes a bite out of your life. Episode 2: What is actually happening INSIDE a frozen shoulder? Frozen shoulder isn’t just a painful shoulder that you’re afraid to move, it’s not just in your head. There are actual structural changes occurring in the tissues around the joint. One of the hallmark changes is FIBROSIS of the shoulder capsule. Think of the shoulder’s synovial capsule as plastic wrap surrounding your shoulder joint. With frozen shoulder, al