Use causal in a sentence. of a cause or causes. being or involving a cause. relating to cause and effect.
Causes of frozen shoulder. Frozen shoulder occurs when the sleeve that surrounds the shoulder joint, known as the capsule, becomes swollen and thickened. It's unclear why this happens. The shoulder is a ball and socket joint. The end of your upper arm bone (humerus) sits in contact with the socket of your shoulder blade (scapula).
According to Dr. Oolo Austin, you have a frozen shoulder syndrome or a form of frozen shoulder if: 1  Your arm stops moving at any point and does not continue up any further. 2  You are able to raise it up but when you reach behind you with the arm up, you feel pain in the top or back of your shoulder.