Frozen shoulder is a tightening of the shoulder joint. It results in a loss of movement and pain at the shoulder joint.

In frozen shoulder:

  • Active range of motion is lost—You cannot move your shoulder well.
  • Passive range of motion is lost—Someone trying to move your arm at the shoulder joint will find it stiff and difficult to move.

This condition may get worse over time. After a period of time, the shoulder may also improve spontaneously. This improvement is called thawing.

Frozen shoulder is caused by tightening of the soft tissues. This includes the capsule that surrounds the joint.

The cause of the tightening is usually not known.

Frozen Shoulder
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