Ask a Query - Frozen Shoulder Causes


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	Frozen Shoulder Causes

The shoulder joint is among the most mobile joints in our body. But what it gains in mobility, it loses in stability. This is one of the reasons why shoulder joint is mostly involved in some problem or the other like dislocation, rotator cuff injury, tendinitis or quite often, frozen shoulder.

Before we talk more on frozen shoulder, here’s a peek into what constitutes the shoulder joint. The bones involved are:

1. Scapula – or the shoulder blade, provides the groove for articulation.

2. Humerus – or the bone of the arm, has a rounded part, which fits into the groove.

3. Clavicle – or the collarbone, also provides an articulating surface.

The muscles that work on these bones are mainly four, which form the rotator cuff:

1. Teres Minor

2. Supraspinatus

3. Infraspinatus

4. Subscapularis

Frozen shoulder or adhesive capsulitis, occurs when the joint surface between the humerus and the scapula becomes inflamed and any motion over that surface causes pain. The patient generally complains of a consistent pain along with limitation of movement, which includes inability to rotate the shoulder or lift it above one’s head. The symptoms are mainly divided into three stages.

The first stage, or the freezing phase, lasts for some weeks but can go up to few months as well. It is characterized by a slight pain and little stiffening of the joint.

The second stage, or the frozen phase, is when the limitation persists but the pain reduces. It is known to stay for even a year.

The third stage, or the thawing phase, is characterized by the return of complete mobility of the joint, however, it needs some months of exercise and physiotherapy.

Causes of frozen shoulder can range from incorrect posture, causing the ligaments to reduce in length to previous accidents involving the shoulder joint. Even hyperthyroid state and diabetes have been said to contribute to this condition. Even though no certain cause has been established, regular exercise and necessary preventative measure can reduce your chances of suffering from a frozen shoulder.

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