What position should be taken for neck surgery?

Hello, during the operation, the neck needs to be in a hyperextended position. The surgical position is placed according to the traditional method, with shoulder pads under the shoulders, raising the shoulders about 20°, and tilting the head back and fixing it with sandbags on both sides. At this time, the patient's neck is hyperextended. , the cervical spine is in an abnormal state. Since the gravity of the entire head and neck is concentrated on the headrest, numbness in the headrest is common after surgery.