Frozen shoulder typically develops slowly, and in three stages. Each of these stages can last a number of months.

  • Painful stage. During this stage, pain occurs with any movement of your shoulder, and your shoulder's range of motion starts to become limited.
  • Frozen stage. Pain may begin to diminish during this stage. However, your shoulder becomes stiffer, and your range of motion decreases notably.
  • Thawing stage. During the thawing stage, the range of motion in your shoulder begins to improve.

For some people, the pain worsens at night, sometimes disrupting normal sleep patterns.

Apr. 28, 2011

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