What is the most common type of cervical spondylosis?

Cervical spondylosis can be divided into four types according to the different tissues and structures involved: nerve root type cervical spondylosis, spinal cord type cervical spondylosis, sympathetic type cervical spondylosis and vertebral artery type cervical spondylosis. Cervical spondylosis is related to cervical degenerative diseases, chronic strain and cold.