Find out the basics of those injuries here. It plays an important role in rotation of the head with the. The C5 nerve root extends from the C4 vertebra, which stimulates portions of your arms and wrists. Injuries to the cervical spine at the C1 and C2 vertebrae make up just 2% of all spinal cord injuries. A break or fracture in the C1 vertebra is called an. C1 and C2 Vertebrae: The. The most distinctive characteristic of this bone is the strong odontoid process ( dens) that rises perpendicularly from the upper surface of the body. Because the skull rests upon it, the C1 vertebra is commonly known as the atlas — named for the figure from Greek mythology that held the world on his shoulders. How the C1 vertebra is different. The C1 vertebra sits, in turn, upon the C2 and forms a joint with it. The atlas, along with the axis ( C2 vertebra), makes up the joint that connects the skull to the spinal column. The C4 vertebra is the fourth vertebra in your neck, which sits level with the top of your thyroid cartilage, also known as the Adam’ s apple. The body is deeper. Its most prominent feature is the odontoid process, which is embryologically the body of the atlas ( C1) 1, 2. By the atlanto- axial joint, it forms the pivot upon which the first cervical vertebra ( the atlas), which carries the head, rotates.
In vertebrates, cervical vertebrae ( singular: vertebra) are the vertebrae of the neck, immediately below the skull. Vertebra c2 osteocondroză. The axis, C2, forms the pivot on which the atlas rotates. It is an atypical cervical vertebra with unique features and important relations that make it easily recognisable. The axis is the second cervical vertebra, commonly called C2. In anatomy, the second cervical vertebra ( C2) of the spine is named the axis ( from Latin axis, " axle" ) or epistropheus.