The pain and numbness of the left shoulder is related to cervical spondylosis, frozen shoulder and thoracic outlet syndrome.
1. Cervical spondylosis: Cervical spondylosis is the most common cause of shoulder pain and numbness, and it is commonly found in nerve root cervical spondylosis. If you suffer from cervical disc herniation, osteophytes, etc., when the nerve root is compressed, it will cause pain and numbness in the left shoulder.
2. Frozen shoulder: aseptic inflammation of soft tissues such as the shoulder joint capsule and ligaments due to degeneration and strain, etc. These tissues will become edematous and adherent, which will also cause pain, numbness and activity limitation of the left shoulder.
3. Thoracic outlet syndrome: it means that the brachial plexus nerve is compressed in the thoracic outlet area, and there are symptoms such as pain, numbness, weakness, and even muscle atrophy in the shoulder, arm and hand, which will also cause left shoulder pain and numbness.
There are many other causes of left shoulder pain and numbness, such as trauma, heart disease, etc. If the symptoms persist, you can go to the hospital to further identify the cause of the disease, and then follow the doctor’s instructions for targeted treatment, so as not to delay the condition.