Ace Physio Sports also treats a range of problems related to the head, face, and jaw. These mayThe neck, or cervical spine, serves as the connection between the head and the trunk. It comprises seven vertebrae, labeled C1 to C7, with intervertebral discs providing cushioning between each segment. The cervical spine supports the weight of the head, safeguards the spinal cord, and allows for a wide range of movement, making it one of the most flexible parts of the spine.include: