[2] They are located in the cervical region of the vertebral column from C3 to C7.
[3] Two lips project upward from the superior surface of the vertebral body below, and one projects downward from the inferior surface of vertebral body above.
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.
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