Head and neck motions typically involve one or more of the following movements of the cervical spine: The cervical spine is the most mobile region of the spine. With so many critical nerves, blood vessels, and joints in such a relatively small space, the cervical spine is one of the body’s most complicated regions. These openings for the blood vessels are present only in the vertebrae of the cervical spine from C1 down to C6 (not in C7 or lower). Small holes (foramina in the transverse processes) in the cervical spine provide a passageway for vertebral arteries to carry blood to the brain.
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