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2. Atlas (anatomy) - Wikipedia

   en.wikipedia.org/wiki/Atlas_(anatomy)

   In anatomy, the atlas (C1) is the most superior (first) cervical vertebra of the spine and is located in the neck.. The bone is named for Atlas of Greek mythology, just as Atlas bore the weight of the heavens, the first cervical vertebra supports the head. [1]

3. Cervical vertebrae - Wikipedia

   en.wikipedia.org/wiki/Cervical_vertebrae

   However, the cervical spine is comparatively mobile, and some component of this movement is due to flexion and extension of the vertebral column itself. This movement between the atlas and occipital bone is often referred to as the "yes joint", owing to its nature of being able to move the head in an up-and-down fashion.

4. Luschka's joints - Wikipedia

   en.wikipedia.org/wiki/Luschka's_joints

   They allow for flexion and extension and limit lateral flexion in the cervical spine. Pathological processes that can occur in these joints include degenerative changes or hypertrophic arthritis, resulting in foraminal stenosis and nerve compression. Foraminal stenosis at this joint is the most common cause of cervical nerve root pressure.

5. Axis (anatomy) - Wikipedia

   en.wikipedia.org/wiki/Axis_(anatomy)

   In anatomy, the axis (from Latin axis, "axle") is the second cervical vertebra (C2) of the spine, immediately inferior to the atlas, upon which the head rests. The spinal cord passes through the axis. The defining feature of the axis is its strong bony protrusion known as the dens, which rises from the superior aspect of the bone.

6. Neuro biomechanics - Wikipedia

   en.wikipedia.org/wiki/Neuro_biomechanics

   Yoganandan, Spine 1996. Harrison. Spine 2004 Modeling of the Sagittal Cervical Spine as a Method to Discriminate Hypolordosis: Results of Elliptical and Circular Modeling in 72 Asymptomatic Subjects, 52 Acute Neck Pain Subjects, and 70 Chronic Neck Pain Subjects; Spine 2004. Panjabi et al. Spine 1997 Whiplash produces and S-Shape curve...

7. Head and neck anatomy - Wikipedia

   en.wikipedia.org/wiki/Head_and_neck_anatomy

   The spinal nerves arise from the spinal column. The top section of the spine is the cervical section, which contains nerves that innervate muscles of the head, neck and thoracic cavity, as well as transmit sensory information to the CNS. The cervical spine section contains seven vertebrae, C-1 through C-7, and eight nerve pairs, C-1 through C-8.