C1 Bone Anatomy. The disc in this joint is much thinner owing to the reduction in pressure as the majority of the pressure at this point has been distributed superior to the S5C1 joint across the appendages. Although the cervical vertebrae are the smallest the neck has the greatest range of motion.
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The cartilaginous endplate is composed of hyaline cartilage and is located adjacent to the subchondral bone. Lymphadenopathy is a significant clinical finding associated with acute infection granulomatous disease autoimmune disease. Although the cervical vertebrae are the smallest the neck has the greatest range of motion.
They all obtain their nerve supply via the ansa cervicalis C1-C3 except for the thyrohyoid muscle which is innervated by CN XII.
Their function is to elevate the hyoid bone. It is inclusive of osseous nervous arterial venous muscular and lymphatic structures. An understanding of this anatomy is essential for assessment and treatment of cervical spine problems. The facial nerve innervates the digastric muscles posterior belly.
