Tolong jelaskan mengenai Pengherniaan cakera servikal dari Pengherniaan cakera spina dalam bahasa melayu

Cervical disc herniations occur in the neck, most often between the sixth and seventh cervical vertebral bodies. Symptoms can affect the back of the skull, the neck, shoulder girdle, scapula, shoulder, arm, and hand. The nerves of the cervical plexus and brachial plexus can be affected.