What is Frozen Shoulder? Causes, Symptoms, and Treatment Options

The shoulder is the most mobile joint in the body. Without it, you couldn’t swing your arms, play catch at the park, or lift items off shelves. But, what happens when you develop a stiff, painful shoulder?
Frozen shoulder is a shoulder injury that causes pain, stiffness, and tightness. While it can be effectively treated, the recovery process can be lengthy—especially if you avoid a diagnosis at first.
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