Frozen shoulder often starts out of the blue, but may be triggered by a mild injury to the shoulder. The condition usually goes through three phases, starting with pain, then stiffness and finally a stage of resolution as the pain eases and most of the movement returns. This process may take a long time, sometimes as long as two or more years.
Frozen shoulder may be associated with diabetes, high cholesterol, heart disease and is also seen in patients with scar tissue in their hands, a condition called Dupuytrens contracture. It may follow an injury to the shoulder or surgery.
Three stages of development:
Typical Primary frozen shoulder develops slowly, and in three phases:
If nothing is done most frozen shoulders improve significantly over 2-4 years after onset. However the pain and limitations of the stiff shoulder generally require treatment. The treatment required depends on the severity of the pain and stiffness. These include: